HO

Hiroyuki Okawa

Sumitomo Electric Industries: 20 patents #1,058 of 21,551Top 5%
MB Mitsuboshi Belting: 3 patents #79 of 333Top 25%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KA Kao: 1 patents #1,961 of 3,221Top 65%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
YC Yoshino Kogyosho Co.: 1 patents #202 of 361Top 60%
AG Agc: 1 patents #509 of 954Top 55%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
Overall (All Time): #137,037 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5358453 Cogged v-belt Taisuke Kimura 1994-10-25
4891040 Woven fabric belt Takaji Nagai, Takahide Mizuno, Fumihito Nakagawa 1990-01-02
4427403 Toothed belt power transmission device Katsuo Kanamori, Takahide Mizuno, Fumihito Nakagawa, Isamu Nagai 1984-01-24