JP2015230978A - ナノコンポジット磁石及びその製造方法 - Google Patents
ナノコンポジット磁石及びその製造方法 Download PDFInfo
- Publication number
- JP2015230978A JP2015230978A JP2014116830A JP2014116830A JP2015230978A JP 2015230978 A JP2015230978 A JP 2015230978A JP 2014116830 A JP2014116830 A JP 2014116830A JP 2014116830 A JP2014116830 A JP 2014116830A JP 2015230978 A JP2015230978 A JP 2015230978A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- particles
- alloy
- nanocomposite magnet
- earth element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/07—Metallic powder characterised by particles having a nanoscale microstructure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0242—Making ferrous alloys by powder metallurgy using the impregnating technique
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0572—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
- B22F2007/066—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts using impregnation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
特許文献1には、Nd2Fe14B相、α−Fe相及びNd−Cu相の3相混合物であり、Nd2Fe14B相が硬磁性相、α−Fe相が軟磁性相になっているナノコンポジット磁石の製造方法が提案されている。
前記Re−M合金をその融点以上の温度に加熱して溶融させる工程、
前記溶融したRe−M合金を前記TM−B粒子に拡散浸透させる工程
を含む、希土類磁石の製造方法。
(1)平均粒径が1μm以下であるナノサイズのTM−B粒子(式中、TMは遷移金属である)を含む相を、Re−M合金(式中、Reは希土類元素であり、Mは合金化することによりこの希土類元素の融点を低下させる元素である)と接触させる工程
(2)前記Re−M合金をその融点以上の温度に加熱して溶融させる工程
(3)前記溶融したRe−M合金を前記TM−B粒子に拡散浸透させる工程。
昇温速度:40℃/分、
加熱温度:580℃、
580℃にて60分保持後、加熱を終了しおよそ20℃/分の冷却速度て炉冷
Claims (14)
- Re−TM−B相のシェル(式中、Reは希土類元素であり、TMは遷移金属である)とTM又はTM−B相のコアとからなる粒子から構成されるナノコンポジット磁石。
- 前記粒子がReリッチ相中に存在する、請求項1記載のナノコンポジット磁石。
- 前記TMがFe、Co、Ni又はこれらの組合せである、請求項1又は2記載のナノコンポジット磁石。
- 前記TM−B粒子がFe−B粒子である、請求項1又は2記載のナノコンポジット磁石。
- 前記ReがNd、Y、La、Ce、Pr、Sm、Gd、Tb、Dy又はこれらの組合せである、請求項1〜4のいずれか1項に記載のナノコンポジット磁石。
- 前記MがGa、Zn、Si、Al、Fe、Co、Ni、Cu、Cr、Mg、Hg、Ag、又はAuである、請求項1〜5のいずれか1項に記載のナノコンポジット磁石。
- 前記Re−M合金がNd−Cu合金である、請求項1〜4のいずれか1項に記載のナノコンポジット磁石。
- 平均粒径が1μm以下であるナノサイズのTM−B粒子(式中、TMは遷移金属である)を含む相を、Re−M合金(式中、Reは希土類元素であり、Mは合金化することによりこの希土類元素の融点を低下させる元素である)と接触させる工程、
前記Re−M合金をその融点以上の温度に加熱して溶融させる工程、
前記溶融したRe−M合金を前記TM−B粒子に拡散浸透させる工程
を含む、ナノコンポジット磁石の製造方法。 - 前記TMがFe、Co、Ni又はこれらの組合せである、請求項8記載の方法。
- 前記TM−B粒子がFe−B粒子である、請求項8記載の方法。
- 前記ReがNd、Y、La、Ce、Pr、Sm、Gd、Tb、Dy又はこれらの組合せである、請求項8〜10のいずれか1項に記載の方法。
- 前記MがGa、Zn、Si、Al、Fe、Co、Ni、Cu、Cr、Mg、Hg、Ag、又はAuである、請求項8〜11のいずれか1項に記載の方法。
- 前記Re−M合金がNd−Cu合金である、請求項8〜10のいずれか1項に記載の方法。
- 前記TM−B粒子の平均粒径が10nm〜1μmである、請求項8〜13のいずれか1項に記載の方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014116830A JP6007945B2 (ja) | 2014-06-05 | 2014-06-05 | ナノコンポジット磁石の製造方法 |
US14/730,961 US20150357100A1 (en) | 2014-06-05 | 2015-06-04 | Nanocomposite magnet and method of producing the same |
CN201510303575.5A CN105304251B (zh) | 2014-06-05 | 2015-06-05 | 纳米复合磁体和制备该纳米复合磁体的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014116830A JP6007945B2 (ja) | 2014-06-05 | 2014-06-05 | ナノコンポジット磁石の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015230978A true JP2015230978A (ja) | 2015-12-21 |
JP6007945B2 JP6007945B2 (ja) | 2016-10-19 |
Family
ID=54770128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014116830A Expired - Fee Related JP6007945B2 (ja) | 2014-06-05 | 2014-06-05 | ナノコンポジット磁石の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150357100A1 (ja) |
JP (1) | JP6007945B2 (ja) |
CN (1) | CN105304251B (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017212396A (ja) * | 2016-05-27 | 2017-11-30 | トヨタ自動車株式会社 | 希土類磁石粉末の製造方法 |
JP2018160642A (ja) * | 2017-03-24 | 2018-10-11 | 日立金属株式会社 | R−t−b系焼結磁石 |
WO2021002564A1 (ko) * | 2019-07-02 | 2021-01-07 | 한양대학교에리카산학협력단 | 섬유형 자성 구조체 및 그 제조 방법 |
CN112863848A (zh) * | 2021-01-15 | 2021-05-28 | 烟台首钢磁性材料股份有限公司 | 高矫顽力烧结钕铁硼磁体的制备方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2660323C1 (ru) * | 2017-08-04 | 2018-07-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский авиационный институт (национальный исследовательский университет)" | Устройство для изготовления микротермопар |
CN108962578B (zh) * | 2018-06-08 | 2020-10-09 | 深圳市瑞达美磁业有限公司 | 一种烧结取向磁体内部缺陷的修复方法及修复后的磁体 |
JP7180479B2 (ja) | 2019-03-20 | 2022-11-30 | トヨタ自動車株式会社 | モータコアの製造方法 |
CN112712990B (zh) * | 2020-12-21 | 2022-09-30 | 江西理工大学 | 一种低熔点金属或合金辅助重稀土元素晶界扩散的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002270417A (ja) * | 2001-03-07 | 2002-09-20 | Yaskawa Electric Corp | 永久磁石用粒子とその製造方法、および永久磁石 |
JP2004253697A (ja) * | 2003-02-21 | 2004-09-09 | Hitachi Metals Ltd | 永久磁石材料及び永久磁石 |
JP2012234985A (ja) * | 2011-05-02 | 2012-11-29 | Toyota Motor Corp | 高保磁力NdFeB磁石の製法 |
JP2013254756A (ja) * | 2010-08-30 | 2013-12-19 | Hitachi Ltd | 焼結磁石 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002008914A (ja) * | 2000-06-23 | 2002-01-11 | Ryoji Mishima | 高性能希土磁石 |
CN1151516C (zh) * | 2001-08-24 | 2004-05-26 | 北京科技大学 | 一种纳米复合稀土永磁合金及其制备方法 |
CN1632153A (zh) * | 2004-12-18 | 2005-06-29 | 燕山大学 | 一种高性能纳米晶复合永磁合金 |
-
2014
- 2014-06-05 JP JP2014116830A patent/JP6007945B2/ja not_active Expired - Fee Related
-
2015
- 2015-06-04 US US14/730,961 patent/US20150357100A1/en not_active Abandoned
- 2015-06-05 CN CN201510303575.5A patent/CN105304251B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002270417A (ja) * | 2001-03-07 | 2002-09-20 | Yaskawa Electric Corp | 永久磁石用粒子とその製造方法、および永久磁石 |
JP2004253697A (ja) * | 2003-02-21 | 2004-09-09 | Hitachi Metals Ltd | 永久磁石材料及び永久磁石 |
JP2013254756A (ja) * | 2010-08-30 | 2013-12-19 | Hitachi Ltd | 焼結磁石 |
JP2012234985A (ja) * | 2011-05-02 | 2012-11-29 | Toyota Motor Corp | 高保磁力NdFeB磁石の製法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017212396A (ja) * | 2016-05-27 | 2017-11-30 | トヨタ自動車株式会社 | 希土類磁石粉末の製造方法 |
JP2018160642A (ja) * | 2017-03-24 | 2018-10-11 | 日立金属株式会社 | R−t−b系焼結磁石 |
WO2021002564A1 (ko) * | 2019-07-02 | 2021-01-07 | 한양대학교에리카산학협력단 | 섬유형 자성 구조체 및 그 제조 방법 |
CN112863848A (zh) * | 2021-01-15 | 2021-05-28 | 烟台首钢磁性材料股份有限公司 | 高矫顽力烧结钕铁硼磁体的制备方法 |
CN112863848B (zh) * | 2021-01-15 | 2023-04-11 | 烟台东星磁性材料股份有限公司 | 高矫顽力烧结钕铁硼磁体的制备方法 |
US11854736B2 (en) | 2021-01-15 | 2023-12-26 | Yantai Dongxing Magnetic Materials Inc. | Method of preparing a high-coercivity sintered NdFeB magnet |
Also Published As
Publication number | Publication date |
---|---|
CN105304251B (zh) | 2017-10-10 |
JP6007945B2 (ja) | 2016-10-19 |
US20150357100A1 (en) | 2015-12-10 |
CN105304251A (zh) | 2016-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10748684B2 (en) | Rare-earth magnet and method for manufacturing same | |
JP6007945B2 (ja) | ナノコンポジット磁石の製造方法 | |
JP5107198B2 (ja) | 永久磁石および永久磁石の製造方法並びにそれを用いたモータ | |
JP5754232B2 (ja) | 高保磁力NdFeB磁石の製法 | |
JP6003920B2 (ja) | 希土類磁石の製造方法 | |
JP5262643B2 (ja) | Nd系焼結磁石及びその製造方法 | |
CN102347126B (zh) | 一种高性能烧结钕铁硼稀土永磁材料及制造方法 | |
JP3960966B2 (ja) | 耐熱性希土類磁石の製造方法 | |
WO2017018291A1 (ja) | R-t-b系焼結磁石の製造方法 | |
JP6791614B2 (ja) | モータ | |
JP5504233B2 (ja) | 永久磁石とその製造方法、およびそれを用いたモータおよび発電機 | |
JP4805998B2 (ja) | 永久磁石とそれを用いた永久磁石モータおよび発電機 | |
JP5163630B2 (ja) | 希土類磁石およびその製造方法 | |
US10242795B2 (en) | Method of manufacturing rare earth magnet | |
JP2010045068A (ja) | 永久磁石およびその製造方法 | |
JP2013135542A (ja) | 焼結磁石モータ | |
JP2009302262A (ja) | 永久磁石およびその製造方法 | |
JP2008172037A (ja) | 希土類磁石及びその製造方法 | |
JP2017057471A (ja) | 磁性化合物及びその製造方法 | |
JP4700578B2 (ja) | 高抵抗希土類系永久磁石の製造方法 | |
JP2013197414A (ja) | 焼結体とその製造方法 | |
JP4951703B2 (ja) | R−t−b系希土類永久磁石用合金材料、r−t−b系希土類永久磁石の製造方法およびモーター | |
JP2010062326A (ja) | ボンド磁石 | |
JP2013098319A (ja) | Nd−Fe−B系磁石の製造方法 | |
JP2013157345A (ja) | 希土類磁石の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160420 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160426 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160531 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160816 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160829 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6007945 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
LAPS | Cancellation because of no payment of annual fees |