Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855519 | Method for producing arylethylene | Isoo Shimizu, Hitoshi Mitsuyuki, Yuuichi Tokumoto | 1989-08-08 |
| 4835337 | Method for producing m-ethyldiphenyls | Isoo Shimizu, Yasuo Matsumura | 1989-05-30 |
| 4827065 | Method of producing p-isobutylstyrene and a starting compound therefor | Isoo Shimizu, Ryotaro Hirano, Yasuo Matsumura, Hideki Nomura, Atsushi Sato | 1989-05-02 |