Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053498 | Therapeutic and prophylactic agents for peptic ulcer | Yusei Shiraga, Chikara Fukaya, Toshiaki Akira, Kazumasa Yokoyama, Mamoru Tabata +5 more | 1991-10-01 |
| 4983584 | Therapeutic and prophylactic agents for peptic ulcers | Chikara Fukaya, Hitoshi Yasuda, Toshiaki Akira, Kanemichi Okano, Kazumasa Yokoyama | 1991-01-08 |
| 4916130 | Platelet agglutination-inhibiting agent | Chikara Fukaya, Kazumasa Yokoyama | 1990-04-10 |
| 4888417 | Therapeutic and prophylactic agents for peptic ulcer | Yusei Shiraga, Chikara Fukaya, Toshiaki Akira, Kazumasa Yokoyama, Mamoru Tabata +5 more | 1989-12-19 |
| 4849404 | Therapeutic and prophylactic agent for gastrointestinal ulcers | Kazumasa Yokoyama, Tsunekazu Fukushima | 1989-07-18 |
| 4748157 | Composition for gastrointestinal ulcers | Kazumasa Yokoyama, Tsunekazu Fukushima | 1988-05-31 |
| 4186253 | Perfusate for preserving organ to be transplanted and preserving method | Kazumasa Yokoyama, Hiroyuki Okamoto, Noboru Yamada | 1980-01-29 |