Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8637722 | Ethylene oligomerization catalyst and use thereof | Koji Inoue, Phala Heng | 2014-01-28 |
| 8138386 | Method for converting hydrocarbons with zeolite shaped catalyst | Phala Heng, Michiaki Umeno, Hirokazu Ikenaga | 2012-03-20 |
| 6632943 | Process for production of optically active pyrroloazepine derivatives | Akira Mizuno, Kazuto Sekiuchi, Takushi Nagata | 2003-10-14 |
| 5175309 | Preparation process of N-substituted maleimides | Ryuichiro Tsumura, Kunimitsu Fukumura | 1992-12-29 |
| 5068357 | Preparation of N-substituted maleimides by use of tin catalysts | Ryuichiro Tsumura, Keiichi Ideda, Jin Kai Wang | 1991-11-26 |