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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIPPON TAIYOU KAITEI DENSEN KK
OCC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
NIPPON TAIYOU KAITEI DENSEN KK
OCC Corp
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NIPPON TAIYOU KAITEI DENSEN KK, OCC Corp, Nippon Telegraph and Telephone CorpfiledCriticalNIPPON TAIYOU KAITEI DENSEN KK
Priority to JP55124202ApriorityCriticalpatent/JPS5749317A/en
Publication of JPS5749317ApublicationCriticalpatent/JPS5749317A/en