Hiroyuki Ohkawa

AC Asahi Glass Co.: 9 patents #214 of 2,251Top 10%

Sharp Kabushiki Kaisha: 8 patents #2,076 of 10,731Top 20%

CC Clarion Co.: 5 patents #102 of 721Top 15%

AG Agc: 1 patents #509 of 954Top 55%

JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%

MC Max Co.: 1 patents #201 of 321Top 65%

CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%

Overall (All Time): #154,457 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4785362	Driving force branching gear mechanism	Katsuya Nozawa, Hidenori Muramatsu, Kimichika Yamada, Hitoshi Okada, Yoshihiko Goto	1988-11-15