Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835216 | Conjugated diene series rubber compositions | Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Oshima, Tatsuro Hamada, Hiromi Fukuoka +2 more | 1989-05-30 |
AM
Akihiko Morikawa
Overall (1989): #134,575 of 140,708Top 100%
1
Patents 1989