Ryo Ogawa

SO Sony: 18 patents #2,315 of 25,231Top 10%

AD Adeka: 14 patents #9 of 499Top 2%

Canon: 14 patents #4,747 of 19,416Top 25%

Ricoh Company: 2 patents #5,693 of 9,818Top 60%

DE Denso: 1 patents #6,940 of 11,792Top 60%

YA Yamauchi: 1 patents #20 of 35Top 60%

AC Asahi Denka Co.: 1 patents #4 of 40Top 10%

AK Asahi Denka Kogyo: 1 patents #75 of 196Top 40%

Overall (All Time): #51,619 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
6489402	Vibration insulator from partially crosslinked butyl rubber	Hiroshi Ohyama, Hiroyuki Maruko, Hiroshi Kuramochi	2002-12-03