Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981804 | Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by use of the catalyst | Tatsuya Kawajiri, Hideo Onodera, Michio Tanimoto, Yukio Aoki | 1999-11-09 |
| 5700752 | Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by the use of the catalyst | Tatsuya Kawajiri, Hideo Onodera, Michio Tanimoto, Yukio Aoki | 1997-12-23 |
| 5618974 | Catalyst for production of methacrylic acid and method for production of methacrylic acid by the use of the catalyst | Hideo Onodera, Yukio Aoki | 1997-04-08 |
| 5276178 | Process for producing methacrolein and methacrylic acid | Hideo Onodera, Shigeru Ohno, Yukio Aoki | 1994-01-04 |
| 5264627 | Method for production of methacrylic acid | Hiroyuki Tazaki, Hiroyuki Uhara, Yukio Aoki | 1993-11-23 |
| 5206431 | Process for producing methacrylic acid | Hideto Hashiba, Shigeru Ohno, Yukio Aoki | 1993-04-27 |
| 5153162 | Catalyst for the production of methacrylic acid | Hideto Hashiba, Hideo Onodera, Yukio Aoki | 1992-10-06 |
| 4760153 | Process for producing maleic anhydride | Youjirou Takahashi, Junichi Toyoda, Toshimasa Kushihara, Shigemi Osaka, Yoshiyuki Nakanishi | 1988-07-26 |
| 4665200 | Method for preparing pyromellitic acid and/or pyromellitic anhydride | Yoshiyuki Nakanishi, Yoji Akazawa, Youjirou Takahashi, Shinichi Uchida, Hisashi Yoshikawa | 1987-05-12 |