Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6313343 | Process for the preparation of alpha-oxoaldehydes | Yoshitaka Arita, Akihiko Ohta, Noboru Saito | 2001-11-06 |
| 5817886 | Process for production of alkyl ether of phenol and catalyst used therein | Yuuichi Satoh, Noboru Saito | 1998-10-06 |
| 5650544 | Process for production of unsaturated ether and catalyst used for production of unsaturated ether | Yuuji Shimasaki | 1997-07-22 |
| 5625076 | Catalyst for production of tertiary N-alkenyl carboxylic acid amide, and process for production of tertiary N-alkenyl carboxylic acid amide using said catalyst | Yuuji Shimasaki, Hitoshi Yano | 1997-04-29 |
| 5304656 | Process for preparing alkylene sulfides | Hitoshi Yano, Yoshinari Yamaguchi, Yuuji Shimasaki, Ryuichi Ishikawa, Michio Ueshima | 1994-04-19 |
| 5231189 | Process for producing N-substituted aziridine compound | Hideaki Tuneki, Hitoshi Yano, Yuuji Shimasaki, Hideki Masada, Michio Ueshima | 1993-07-27 |
| 4977118 | Method for regeneration of catalyst for producing of aziridine compounds | Hideaki Tsuneki, Atusi Moriya, Michio Ueshima | 1990-12-11 |
| 4841061 | Process for producing cyclic amines | Yuuji Shimasaki, Michio Ueshima, Hideaki Tuneki | 1989-06-20 |