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
CA915750A
Inventor
Nakajima Yasutaka
Sasaki Toshiharu
Miyano Ryuzo
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
Ryuzo Miyano
Matsushita Electric Industrial Co Ltd
YASUTAKA NAKAJIMA
Publication date
Application grantedgrantedCritical
Publication of CA915750ApublicationCriticalpatent/CA915750A/en