Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940464 | Catalyst for producing acrylic acid and method for producing acrylic acid | Kouichi Tamura | 2021-03-09 |
| 10851040 | Restarting method | Tomoyuki Kawamura, Tomoaki Kobayashi, Hideo Yoshida | 2020-12-01 |
| 9751822 | Method for producing unsaturated carboxylic acid and supported catalyst | Hideomi Sakai, Toru Toki | 2017-09-05 |
| 9656248 | Catalyst for producing unsaturated aldehyde and/or unsaturated carboxylic acid, method for producing same, and method for producing unsaturated aldehyde and/or unsaturated carboxylic acid | Yuuta Nakazawa, Yoshiko Shoya, Masaki Nakahara, Eiji Nishimura, Kazuo Shiraishi +1 more | 2017-05-23 |
| 9580376 | Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid | Tomoyuki Kawamura, Yuuta Nakazawa, Toru Kawaguchi, Motohiko SUGIYAMA | 2017-02-28 |
| 9440904 | Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid | Yuuta Nakazawa, Kazuo Shiraishi | 2016-09-13 |
| 8969618 | Process for producing unsaturated aldehyde and/or unsaturated carboxylic acid | Susumu Matsumoto, Atsushi Sudo, Kazuo Shiraishi, Masashi Hashiba | 2015-03-03 |
| 8877964 | Catalyst and method for producing acrylic acid | Yuta NAKAZAWA, Susumu Matsumoto, Tomoaki Kobayashi | 2014-11-04 |
| 8716523 | Catalyst for use in production of methacrylic acid and method for manufacturing the same | Atsushi Sudo, Toshitake Kojima, Shigeo Hayashimoto | 2014-05-06 |
| 8586785 | Process for producing catalyst for methacrylic acid production and process for producing methacrylic acid | Atsushi Sudo, Kazuo Shiraishi, Hideki Sugi, Hiroyoshi Nowatari, Fumio Sakai +1 more | 2013-11-19 |
| 8148291 | Method for manufacturing catalyst for use in production of methacrylic acid | Atsushi Sudo, Toshitake Kojima, Shigeo Hayashimoto, Yasushi Kobayashi | 2012-04-03 |
| 8088947 | Method for producing methacrolein and/or methacrylic acid | Toshitake Kojima, Yoshimasa Seo | 2012-01-03 |
| 8017547 | Method for manufacturing catalyst for use in production of methacrylic acid | Atsushi Sudo, Toshitake Kojima, Shigeo Hayashimoto, Yasushi Kobayashi | 2011-09-13 |