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
CA848913A
Inventor
Inuzuka Shintaro
Muroi Chiaki
Ogawa Gengo
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.)
Nisshin Seifun Group Inc
Original Assignee
Nisshin Seifun Group Inc
Publication date
Application grantedgrantedCritical
Publication of CA848913ApublicationCriticalpatent/CA848913A/en