Shigeharu Arai

OC Ogura Clutch Co.: 1 patents #1 of 5Top 20%

Overall (1997): #79,384 of 185,788Top 45%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5687822	Electromagnetic spring clutch	—	1997-11-18