Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Tatsuhiko Kurakami +1 more | 2017-05-23 |
| 9440904 | Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid | Yuuta Nakazawa, Tatsuhiko Kurakami | 2016-09-13 |
| 8969618 | Process for producing unsaturated aldehyde and/or unsaturated carboxylic acid | Tatsuhiko Kurakami, Susumu Matsumoto, Atsushi Sudo, Masashi Hashiba | 2015-03-03 |
| 8586785 | Process for producing catalyst for methacrylic acid production and process for producing methacrylic acid | Atsushi Sudo, Hideki Sugi, Hiroyoshi Nowatari, Fumio Sakai, Tomoaki Kobayashi +1 more | 2013-11-19 |
| 6028220 | Producing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactor | Koichi Wada, Yoshimasa Seo, Akira Iwamoto, Atsushi Sudo, Fumio Sakai +1 more | 2000-02-22 |
| 5959143 | Catalysts and process for the preparation thereof | Hideki Sugi, Fumio Sakai, Koichi Wada, Toshitake Kojima, Atsushi Umejima +1 more | 1999-09-28 |
| 5929275 | Catalyst and process for producing unsaturated aldehyde and unsaturated acid | Koichi Wada, Akira Iwamoto, Yoshimasa Seo, Atsusi Sudo, Fumio Sakai +1 more | 1999-07-27 |
| 5716895 | Process for regeneration of catalysts | Hideki Sugi, Atsushi Sudo | 1998-02-10 |