Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253309 | Method for production of methacrylic acid | Kazuo Anyouji, Hideyuki Hironaka, Hideo Onodera | 2007-08-07 |
| 6699999 | Process for producing pyromellitic anhydride | Tsukasa Takahashi, Kazuo Anyouji, Etsushige Matsunami | 2004-03-02 |
| 5264627 | Method for production of methacrylic acid | Hiroyuki Tazaki, Ikuo Kurimoto, Yukio Aoki | 1993-11-23 |
| 4954650 | Method for production of methacrylic acid | Tadashi Abe, Mitsuyoshi Manabe, Koji Deguchi, Yukio Aoki | 1990-09-04 |
| 4256783 | Catalytic vapor phase oxidation reactor apparatus | Masahiro Takada, Takahisa Sato | 1981-03-17 |
| 4203906 | Process for catalytic vapor phase oxidation | Masahiro Takada, Takahisa Sato | 1980-05-20 |