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
CA907677A
Inventor
Nakamura Hiroto
Doi Ken-Ichi
Sato Akira
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
Matsushita Electronics Corp
Publication date
Application grantedgrantedCritical
Publication of CA907677ApublicationCriticalpatent/CA907677A/en