Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393889 | Water soluble bis-dioxopiperazine derivatives | Toshiharu Narita, Toshihiko Komatsu | 1995-02-28 |
| 5112833 | 1-azaindolizine derivatives, synthetic intermediates thereof and antiallergic agents containing 1-azaindolizine derivatives | Toshihiko Komatsu, Toshiyuki Matsuno, Akihisa Miyakawa, Kenichi Saito | 1992-05-12 |
| 4877803 | Bis-dioxopiperazine derivatives and pharmaceutical compositions containing the same | Jun-Chao Cai | 1989-10-31 |
| 4868303 | Bis-dioxopiperazine derivatives | Jun-Chao Cai | 1989-09-19 |
| 4804668 | Thiazole derivatives and medical compositions thereof | Kimitomo Yoshioka, Hiroaki Yamazaki | 1989-02-14 |
| 4800201 | 1,4-thiazine derivative, and cardiotonic agent comprising it as effective component | Kimitomo Yoshioka, Hiroaki Yamazaki | 1989-01-24 |
| 4650799 | Bis-dioxopiperazine derivatives, process for their preparation, antitumor agents comprising them and compositions containing them | Jun-Chao Cai | 1987-03-17 |
| 4565813 | 1,4-Thiazine derivatives | Kimitomo Yoshioka, Hiroaki Yamazaki | 1986-01-21 |
| 4528188 | Polysaccharide PS-A obtained from barrenwort deriving from plants belonging to the genus Epimedium, process for preparation thereof and phylactic and immunostimulating agents comprising said polysaccharide PS-A effective component | Susumu Mitsuhashi, Sosuke Yasui, Ichiro Washizawa, Kimitomo Yoshioka | 1985-07-09 |
| 4501736 | Extract from barrenwort | Susumu Mitsuhashi, Sosuke Yasui, Ichiro Washizawa, Kimitomo Yoshioka | 1985-02-26 |
| 4452786 | Condurango glycoside compounds, processes for their preparation, antitumor agents comprising them and compositions | Hiroshi Mitsuhashi, Den-ichi Mizuno, Koji Hayashi, Shigeru Abe, Toshiharu Narita | 1984-06-05 |
| 4410724 | Process for production of o-(2,6-dichloroanilino)-phenylacetic acid | Tadahiro Nakamura, Kazuo Kamiya, Toshiyuki Takezawa, Hiroaki Yamazaki, Takashi Iwaki | 1983-10-18 |
| 4320120 | Extracts of Marsdenia cundurango Reichenbach fil | Hiroshi Mitsuhashi, Den-ichi Mizuno, Koji Hayashi, Shigeru Abe, Toshiharu Narita | 1982-03-16 |