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.)
Expired
Application number
CA835159A
Inventor
Nakagawa Takamichi
Nagano Toshihiko
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.)
Panasonic Holdings Corp
Original Assignee
Takamichi Nakagawa
Toshihiko Nagano
Matsushita Electric Industrial Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA835159ApublicationCriticalpatent/CA835159A/en