Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812525 | Polybutadiene rubber composition | Noboru Oshima, Yoshishige Chikatsu, Tatsuro Hamada, Tatsuo Fujimaki | 1989-03-14 |
TF
Toshiaki Fukuhori
Japan Synthetic Rubber: 1 patents #16 of 64Top 25%
Overall (1989): #38,366 of 140,708Top 30%
1
Patents 1989