Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476287 | Process for producing polybutadiene rubber with enhanced mechanical strength | Nobunori Maehara, Norihumi Utada, Hidetomo Ashitaka, Hideo Ishikawa | 1984-10-09 |
| 4472559 | Process for producing polybutadiene rubber with enhanced mechanical strength | Nobunori Maehara, Norihumi Utada, Hidetomo Ashitaka, Hideo Ishikawa | 1984-09-18 |