OI

Osamu Iwamoto

SE Seiko Epson: 9 patents #2,012 of 7,774Top 30%
TO Tokuyama: 6 patents #45 of 562Top 9%
CC Cosmo Oil Co.: 4 patents #33 of 229Top 15%
TS Tokuyama Soda: 4 patents #12 of 151Top 8%
Canon: 4 patents #10,118 of 19,416Top 55%
JN Japan Oil, Gas And Metals National: 3 patents #14 of 106Top 15%
IN Inpex: 2 patents #17 of 67Top 30%
SK Sekiyushigen Kaihatsu Kabushiki Kaisha: 2 patents #6 of 29Top 25%
NC Nippon Steel Engineering Co.: 1 patents #27 of 107Top 30%
JO Japan National Oil: 1 patents #8 of 55Top 15%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
CH Chiyoda: 1 patents #141 of 358Top 40%
📍 Chino, JP: #40 of 297 inventorsTop 15%
Overall (All Time): #146,893 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4782100 Prosthetic composition Toru Ono, Koshi Kusumoto 1988-11-01
4755620 Acrylate compound and composition containing the same Shinichiro Kunimoto, Koshi Kusumoto, Toru Ono 1988-07-05