Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385151 | Composition containing isoprene polymer | Hiroshi Furukawa, Yuichi Saito, Keisaku Yamamoto, Tomoaki Seki, Nobuyuki Yoshida | 1983-05-24 |
AI
Akio Imai
Sumitomo Chemical: 37 patents #36 of 4,033Top 1%
Sumitomo Rubber Industries: 9 patents #235 of 1,637Top 15%
Eisai R&D Management Co.: 3 patents #243 of 817Top 30%
Denso: 3 patents #3,857 of 11,792Top 35%
Eisai: 3 patents #344 of 998Top 35%
Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
Shimadzu: 1 patents #1,152 of 2,007Top 60%
Eisai Chemical Co.: 1 patents #16 of 27Top 60%
Overall (All Time): #51,946 of 4,157,543Top 2%
51
Patents All Time