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
CA874952A
Inventor
Hata Toju
Matsumae Akihiro
Omura Satoshi
Abe Jinnosuke
Watanabe Tetsuo
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.)
Kitasato Institute
Toyo Jozo KK
Original Assignee
Kitasato Institute
Toyo Jozo KK
Publication date
Application grantedgrantedCritical
Publication of CA874952ApublicationCriticalpatent/CA874952A/en