Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845244 | Production of hydroxyphenylpropionic acid ester having a novel crystalline structure | Manji Sasaki, Chinehito Ebina, Haruki Okamura, Tamaki Ishii | 1989-07-04 |
| 4829112 | Polyolefin resin composition | Tamaki Ishii, Taisuke Okita, Manji Sasaki, Chinehito Ebina | 1989-05-09 |
| 4812494 | Stabilized styrene polymer | Hideo Nagasaki, Tamaki Ishii, Masakatsu Yoshimura, Yukoh Takahashi, Hiroki Yamamoto | 1989-03-14 |