Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |