Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888417 | Therapeutic and prophylactic agents for peptic ulcer | Yusei Shiraga, Toshiaki Akira, Masakazu Iwai, Kazumasa Yokoyama, Mamoru Tabata +5 more | 1989-12-19 |
| 4886819 | Dihydropyridine derivatives and pharmaceutical composition thereof | Atsuyuki Ashimori, Taizo Ono, Yoshihisa Inoue, Kazumasa Yokoyama | 1989-12-12 |
| 4868201 | Indoleacetic acid derivatives used as anti-inflammatories | Youichiro Naito, Shuichi Hanada, Masahiro Watanabe, Kazumasa Yokoyama | 1989-09-19 |
| 4849429 | Certain 1,4-dihydro-2,6-dilower-alkyl-4-(mono-substituted pyridyl) useful for treating coronary artery or cerebral artery disease | Atsuyuki Ashimori, Taizo Ono, Kazumasa Yokoyama | 1989-07-18 |