Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020505 | Process for the preparation of .alpha.-tocopherol | Noriyasu Hirose, Hiroshi Inoue, Toshio Matsunami, Takashi Yoshimura, Kouzou Morita +4 more | 2000-02-01 |
| 5886197 | Process for the preparation of .alpha.-tocopherol | Noriyasu Hirose, Hiroshi Inoue, Toshio Matsunami, Takashi Yoshimura, Kouzou Morita +4 more | 1999-03-23 |
| 5874611 | Butenyl hydroquinone derivatives | Kimio Hamamura, Masayuki Konishi | 1999-02-23 |
| 5686635 | Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives | Kimio Hamamura, Tetsuo Iwama, Masayuki Konishi | 1997-11-11 |
| 5677471 | Process for the preparation of quinone derivative | Kimio Hamamura, Tetsuo Iwama, Masayuki Konishi | 1997-10-14 |
| 5663376 | Process for the preparation of .alpha.-tocopherol | Noriyasu Hirose, Hiroshi Inoue, Toshio Matsunami, Takashi Yoshimura, Kouzou Morita +4 more | 1997-09-02 |
| 5608092 | 1,4,4.sub.a 5,8,9.sub.a -hexahydro-1.alpha.,4.alpha.-methanoan-thraquinone derivative(s) | Kimio Hamamura, Masayuki Konishi | 1997-03-04 |
| 5565586 | Oxidative process for the preparation of allyl quinone derivatives | Kimio Hamamura, Masayuki Konishi | 1996-10-15 |
| 5476955 | Process for the preparation of a quinone derivative | Kimio Hamamura, Tetsuo Iwama, Masayuki Konishi | 1995-12-19 |
| 5412124 | Preparation process of naphthoquinone derivative and intermediate for the preparation thereof | Kimio Hamamura, Masayuki Konishi | 1995-05-02 |