Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070059 | Catalyst for producing aromatic nitriles | Masao Saito, Kengo Tsukahara, Noriko Takahashi | 1991-12-03 |
| 4985581 | Catalyst and process for producing aromatic nitriles | Masao Saito, Kengo Tsukahara, Noriko Takahashi | 1991-01-15 |
| 4935537 | Process for producing acyloxynaphthoic acids | Susumu Naito, Koichi Abe, Hidetaka Kiga | 1990-06-19 |
| 4801737 | Process for producing acyloxynaphthoic acids | Susumu Naito, Koichi Abe, Hidetaka Kiga | 1989-01-31 |
| 4218398 | Process for producing dimethylformamide | Masao Saito, Kinichi Mizuno, Tetsuo Aoyama, Kumiko Kato | 1980-08-19 |