Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847390 | Cyclopentane derivatives | Takayoshi Yamauchi, Shunichi Ikeda, Kentaro Tamaki | 1989-07-11 |
| 4795831 | Cyclopentane derivatives | Takayoshi Yamauchi, Shunichi Ikeda, Kentaro Tamaki | 1989-01-03 |
| 4716241 | Cyclopentane derivatives | Takayoshi Yamauchi, Shunichi Ikeda, Kentaro Tamaki | 1987-12-29 |
| 4649213 | Process for producing an .alpha.-aromatic group substituted alkanoic acid derivative | Takayoshi Yamauchi, Shun-ichi Ikeda, Kenji Nakao, Kentaro Tamaki | 1987-03-10 |