Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550046 | Catalyst for isobutylene production and method for producing isobutylene | Tatsuya Suzuki, Akio Takeda, Wataru Ninomiya, Ken Ooyachi | 2020-02-04 |
| 10464860 | Method for producing isobutylene from isobutanol | Tatsuya Suzuki, Akio Takeda, Wataru Ninomiya, Kenichi Miyaki, Ken Ooyachi +1 more | 2019-11-05 |
| 9840453 | Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate | Shuji Akihara, Tatsuya Suzuki, Akio Takeda, Kenichi Miyaki, Ken Ooyachi | 2017-12-12 |
| 9815748 | Catalyst for producing isobutylene and method for producing isobutylene using the same | Wataru Ueda, Toru Murayama, Ken Ooyachi, Wataru Ninomiya | 2017-11-14 |
| 9670111 | Catalyst for producing isobutylene and method for producing isobutylene using the same | Wataru Ueda, Toru Murayama, Ken Ooyachi, Wataru Ninomiya | 2017-06-06 |
| 9393554 | Method for producing saturated aldehyde from 1,2-alkanediol | Shigeru Sugiyama, Yuuki KATOU, Shuji Akihara, Wataru Ninomiya | 2016-07-19 |
| 9346735 | Method for producing t-butanol from isobutanol, method for producing methacrolein and methacrylic acid from isobutanol, and apparatus for producing them | Ken Ooyachi, Shuji Akihara | 2016-05-24 |
| 8389760 | Palladium-containing catalyst, method for producing same, and method for producing α, β-unsaturated carboxylic acid | Toshiki Matsui, Ken Ooyachi, Yoshiyuki Himeno, Wataru Ninomiya | 2013-03-05 |
| 8088945 | Palladium-containing catalyst, method for producing same, and method for producing α,β-unsaturated carboxylic acid | Toshiki Matsui, Ken Ooyachi, Yoshiyuki Himeno, Wataru Ninomiya | 2012-01-03 |
| 7994091 | Method for producing palladium-containing catalyst | Yoshiyuki Himeno, Ken Ooyachi | 2011-08-09 |