Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5530150 | Phosphine compound, complex containing the phosphine compound as ligand, process for producing optically active aldehyde using the phosphine compound or the complex, and 4-[(R)-1'-formylethyl]azetidin-2-one derivatives | Hidemasa Takaya, Nozomu Sakai, Kyoko Tamao, Satoshi Mano, Hidenori Kumobayashi +4 more | 1996-06-25 |
| 4477682 | Process for producing 4-hydroxy-2,4,6-trimethylcyclohexa-2,5-diene-1-one | Masahiro Jono, Toshiaki Takata | 1984-10-16 |
| 4347383 | Process for producing benzophenone-azines | Tomiya Isshiki, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki, Norio Takeda +1 more | 1982-08-31 |
| 4239741 | Process for producing hydrazine sulfate | Tomiya Isshiki, Toshiaki Kozaki, Osamu Aoki, Mitsuo Abe, Norio Takeda +4 more | 1980-12-16 |