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
CA899481A
Inventor
Yoshiya Yoshio
Ito Masamichi
Ishida Yoshiyuki
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Publication date
Application grantedgrantedCritical
Publication of CA899481ApublicationCriticalpatent/CA899481A/en