Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344972 | Process for producing acetic acid | Tomiya Isshiki, Takayuki Watanabe | 1994-09-06 |
| 4978778 | Process for producing vinyl acetate | Tomiya Isshiki, Akiro Ito, Yuh Miyauchi, Takao Konko, Takayuki Watanabe | 1990-12-18 |
| 4888401 | Molding material for optics | Takao Kawaki, Yuh Miyauchi, Eizi Ukita, Toru Nakajima, Mituhiko Masumoto | 1989-12-19 |
| 4843170 | Process for producing vinyl acetate | Tomiya Isshiki, Akira Ito, Kenji Ishii | 1989-06-27 |
| 4659865 | Process for producing ethylidenediacetate | Tomiya Isshiki, Yuh Miyauchi, Takayuki Yasunaga | 1987-04-21 |
| 4620033 | Process for producing carboxylic acids | Tomiya Isshiki, Yuh Miyauchi, Takao Kondo | 1986-10-28 |
| 4556519 | Process for producing acetic anhydride | Tomiya Isshiki, Yuh Miyauchi, Takao Kondo | 1985-12-03 |
| 4544511 | Process for producing acetic anhydride | Tomiya Isshiki, Yuh Miyauchi, Takao Kondo | 1985-10-01 |
| 4517377 | Process for producing vinyl acetate | Tomiya Isshiki, Takanari Nawata, Akira Ito, Takayuki Watanabe | 1985-05-14 |
| 4336399 | Process for producing carboxylic acids and/or esters thereof | Tomiya Isshiki, Yuh Miyauchi | 1982-06-22 |
| 4239698 | Process for preparing carboxylic acid anhydrides | Tomiya Isshiki, Yuh Miyauchi | 1980-12-16 |
| 4234733 | Process for producing aliphatic carboxylic acids and aliphatic carboxylic acid esters of phenols | Tomiya Isshiki, Yuh Miyauchi | 1980-11-18 |
| 4212989 | Process for producing carboxylic acids or esters thereof | Tomiya Isshiki, Yuh Miyauchi | 1980-07-15 |