Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790319 | Method for recovering titanium compound, process for preparing titanium halide, and process for preparing catalyst for polymer production | Tetsuya Nakano | 2004-09-14 |
| 5358945 | Pyrimidine compound and pharmaceutically acceptable salts thereof | Akira Mizuchi, Ken Ikeda, Yuichiro Kokubun, Kazutoshi Horikomi, Tadayuki Sasaki +4 more | 1994-10-25 |
| 5264435 | Pyrimidines and their pharmaceutical acceptable salts, and their use as medicines | Akira Mizuchi, Kazutoshi Horikomi, Tadayuki Sasaki, Akira Awaya, Ikuo Tomino +1 more | 1993-11-23 |
| 5192799 | Coumaran group containing amine compounds and their acid addition salts and quaternary ammonium salts and the use thereof as anti arrhythmic agents and as psychotropic agents | Ikuo Tomino, Masaharu Ishiguro, Keiichi Yokoyama, Noriaki Kihara, Joji Kamiya +6 more | 1993-03-09 |
| 4966968 | Indan derivatives | Isao Hashimoto, Keiichi Yokoyama | 1990-10-30 |
| 4959368 | Therapeutic agent for neurological diseases | Akira Awaya, Takuo Nakano, Hisashi Kobayashi, Ken E. Tan, Kazutoshi Horikomi +6 more | 1990-09-25 |
| 4742165 | 2-piperazinopyrimidine derivatives | Keiichi Yokoyama, Tatsuyoshi Ishida, Shigeru Isayama, Kohji Kato, Yoshiaki Furuya | 1988-05-03 |
| 4734418 | Quinazoline compounds and antihypertensives | Keiichi Yokoyama, Koji Kato, Hiroyasu Ohno, Takashi Nishina, Mikio Kumakura +4 more | 1988-03-29 |