Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10099189 | Packing for reaction tube, reaction tube, and reaction method using same | — | 2018-10-16 |
| 6489515 | Gas-phase dehydration reaction process | Hideyuki Kambe, Shukichi Ugamura, Shinji Takasaki | 2002-12-03 |
| 6436243 | Process for recovering N-vinyl-2-pyrrolidone | Yoshinari Yamaguchi, Hitoshi Yano, Akira Kurusu | 2002-08-20 |
| 6391994 | Production process for vinylpyrrolidone polymer | Daijo Tomihisa, Nobuyuki Harada, Akio Naka, Toshiaki Kuriyama, Hideyuki Nishibayashi | 2002-05-21 |
| 6235859 | Production process for polyvinyl ether and catalyst used for the process | Akio Naka | 2001-05-22 |
| 6090988 | Method for recovering alkyl vinyl ether | Hideyuki Kambe, Hitoshi Yano | 2000-07-18 |
| 5847213 | Process for production of tertiary amine compound | Akira Kurusu | 1998-12-08 |
| 5801252 | Process for production of cyclic N-vinyl carboxylic acid amide | Hitoshi Yano | 1998-09-01 |
| 5773669 | Process for production of vinyl ether | Akira Kurusu | 1998-06-30 |
| 5700946 | Process for production of N-vinyl compound | Hideyuki Kanbe, Akira Kurusu | 1997-12-23 |
| 5650544 | Process for production of unsaturated ether and catalyst used for production of unsaturated ether | Kimio Ariyoshi | 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 | Hitoshi Yano, Kimio Ariyoshi | 1997-04-29 |
| 5326903 | Process for preparing isocyanates using sintered oxides | Hideyuki Kanbe, Masako Hokazono | 1994-07-05 |
| 5304656 | Process for preparing alkylene sulfides | Hitoshi Yano, Yoshinari Yamaguchi, Kimio Ariyoshi, Ryuichi Ishikawa, Michio Ueshima | 1994-04-19 |
| 5262570 | Method of producing ethylenediamines | Hideaki Tsuneki, Youichi Hino, Tetsuro Hayashi, Michio Ueshima | 1993-11-16 |
| 5235107 | Method of producing ethylenediamines | Hideaki Tsuneki, Youichi Hino, Tetsuro Hayashi, Michio Ueshima | 1993-08-10 |
| 5231189 | Process for producing N-substituted aziridine compound | Hideaki Tuneki, Hitoshi Yano, Kimio Ariyoshi, Hideki Masada, Michio Ueshima | 1993-07-27 |
| 4966980 | Process for producing aziridines | Teruo Kamei, Hideaki Tsuneki, Koichi Yamamoto, Yutaka Morimoto, Michio Ueshima | 1990-10-30 |
| 4841060 | Vapor-phase intramolecular dehydration reaction of alkanolamines | Youichi Hino, Michio Ueshima | 1989-06-20 |
| 4841061 | Process for producing cyclic amines | Michio Ueshima, Hideaki Tuneki, Kimio Ariyoshi | 1989-06-20 |
| 4833248 | Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines | Hideaki Tuneki, Youichi Hino, Hitoshi Yano, Michio Ueshima | 1989-05-23 |
| 4774218 | Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines | Hideaki Tuneki, Youichi Hino, Hitoshi Yano, Michio Ueshima | 1988-09-27 |
| 4731488 | Vapor-phase hydrogen transfer reaction of carbonyl compound with alcohol | Youichi Hino, Michio Ueshima | 1988-03-15 |