Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988681 | Phosphinic acid derivatives | Kiyofumi Ishikawa, Takehiro Fukami, Hiroshi Naganuma | 1991-01-29 |
| 4737494 | 1,3-dithiole derivatives and pharmaceutical compositions | Mitsuo Yano, Yoshimi Tsuchiya, Yukio Hirayama, Junji Yoshizawa | 1988-04-12 |
| 4668799 | Anti-hepatitis and anti-cirrhotic 1,3-dithiol-2-ylidene derivatives, and pharmaceutical compositions therefor | Junji Yoshizawa, Yoshimi Tsuchiya, Yukio Hirayama, Kaoru Shimada, Nobuyuki Mino +1 more | 1987-05-26 |