Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888417 | Therapeutic and prophylactic agents for peptic ulcer | Yusei Shiraga, Chikara Fukaya, Toshiaki Akira, Masakazu Iwai, Kazumasa Yokoyama +5 more | 1989-12-19 |
| 4849425 | Readily absorbable pharmaceutical composition | Nobuo Kondo, Tsunetaka Nakajima, Masahiro Watanabe, Kazumasa Yokoyama, Takahiro Haga +3 more | 1989-07-18 |
| 4849451 | Fat emulsion containing prostaglandin | Yutaka Mizushima, Hironaka Aihara, Susumu Otomo, Kazumasa Yokoyama, Hiroyuki Okamoto | 1989-07-18 |
| 4822872 | Method of purifying factor VIII | Syojyu Kameyama, Hideo Nishimaki, Yoshiro Iga | 1989-04-18 |