Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344972 | Process for producing acetic acid | Yasuhiko Kijima, Takayuki Watanabe | 1994-09-06 |
| 4978778 | Process for producing vinyl acetate | Yasuhiko Kijima, Akiro Ito, Yuh Miyauchi, Takao Konko, Takayuki Watanabe | 1990-12-18 |
| 4843170 | Process for producing vinyl acetate | Yasuhiko Kijima, Akira Ito, Kenji Ishii | 1989-06-27 |
| 4828762 | Process for the production of 2,3,5-trimethylbenzoquinone | Tomoyuki Yui, Mitsuo Abe, Masahiro Jono, Hideo Uno | 1989-05-09 |
| 4659865 | Process for producing ethylidenediacetate | Yasuhiko Kijima, Yuh Miyauchi, Takayuki Yasunaga | 1987-04-21 |
| 4620033 | Process for producing carboxylic acids | Yasuhiko Kijima, Yuh Miyauchi, Takao Kondo | 1986-10-28 |
| 4556519 | Process for producing acetic anhydride | Yasuhiko Kijima, Yuh Miyauchi, Takao Kondo | 1985-12-03 |
| 4544511 | Process for producing acetic anhydride | Yasuhiko Kijima, Yuh Miyauchi, Takao Kondo | 1985-10-01 |
| 4517377 | Process for producing vinyl acetate | Takanari Nawata, Yasuhiko Kijima, Akira Ito, Takayuki Watanabe | 1985-05-14 |
| 4381221 | Process for recovering a reaction product while preventing decomposition of the catalyst | Hisashi Yoshino, Kaoru Tsuyuki | 1983-04-26 |
| 4347383 | Process for producing benzophenone-azines | Tetsuo Tomita, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki, Norio Takeda +1 more | 1982-08-31 |
| 4336399 | Process for producing carboxylic acids and/or esters thereof | Yasuhiko Kijima, Yuh Miyauchi | 1982-06-22 |
| 4239698 | Process for preparing carboxylic acid anhydrides | Yasuhiko Kijima, Yuh Miyauchi | 1980-12-16 |
| 4239741 | Process for producing hydrazine sulfate | Tetsuo Tomita, Toshiaki Kozaki, Osamu Aoki, Mitsuo Abe, Norio Takeda +4 more | 1980-12-16 |
| 4234733 | Process for producing aliphatic carboxylic acids and aliphatic carboxylic acid esters of phenols | Yasuhiko Kijima, Yuh Miyauchi | 1980-11-18 |
| 4212989 | Process for producing carboxylic acids or esters thereof | Yasuhiko Kijima, Yuh Miyauchi | 1980-07-15 |