Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031194 | Slide switch with self cleaning structure including grooves in rectangular substrate | — | 2000-02-29 |
| 4727190 | Process for preparing benzophenone-azines | Takanari Nawata, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki, Norio Takeda +1 more | 1988-02-23 |
| 4347383 | Process for producing benzophenone-azines | Tomiya Isshiki, Tetsuo Tomita, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki +1 more | 1982-08-31 |
| 4239741 | Process for producing hydrazine sulfate | Tomiya Isshiki, Tetsuo Tomita, Toshiaki Kozaki, Osamu Aoki, Mitsuo Abe +4 more | 1980-12-16 |