Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812494 | Stabilized styrene polymer | Hideo Nagasaki, Shinichi Yachigo, Tamaki Ishii, Yukoh Takahashi, Hiroki Yamamoto | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812494 | Stabilized styrene polymer | Hideo Nagasaki, Shinichi Yachigo, Tamaki Ishii, Yukoh Takahashi, Hiroki Yamamoto | 1989-03-14 |