Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8716523 | Catalyst for use in production of methacrylic acid and method for manufacturing the same | Atsushi Sudo, Tatsuhiko Kurakami, Shigeo Hayashimoto | 2014-05-06 |
| 8148291 | Method for manufacturing catalyst for use in production of methacrylic acid | Atsushi Sudo, Tatsuhiko Kurakami, Shigeo Hayashimoto, Yasushi Kobayashi | 2012-04-03 |
| 8088947 | Method for producing methacrolein and/or methacrylic acid | Tatsuhiko Kurakami, Yoshimasa Seo | 2012-01-03 |
| 8017547 | Method for manufacturing catalyst for use in production of methacrylic acid | Atsushi Sudo, Tatsuhiko Kurakami, Shigeo Hayashimoto, Yasushi Kobayashi | 2011-09-13 |
| 5959143 | Catalysts and process for the preparation thereof | Hideki Sugi, Fumio Sakai, Koichi Wada, Kazuo Shiraishi, Atsushi Umejima +1 more | 1999-09-28 |
| 4433167 | Process for the manufacture of methacrylic or acrylic acid | Masanobu Ogawa | 1984-02-21 |