Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243027 | Method of preparing angiotensin converting enzyme inhibitors | Yasuhiro Kohama, Kazuhiko Nagata, Ryoichi Tsurutani | 1993-09-07 |
| 5232834 | Anti-human sperm antibody, and its production and use | Masaru Okabe | 1993-08-03 |
| 5098887 | Angiotensin converting enzyme inhibitor | Yasuhiro Kohama, Kazuhiko Nagata, Ryoichi Tsurutani | 1992-03-24 |
| 5071955 | Octopeptide exhibiting antimypertensive activity | Yasuhiro Kohama, Mikio Satake, Yasukazu Nagase | 1991-12-10 |
| 4775743 | Peptide derivatives | Yasuhiro Kohama, Chikara Fukaya, Masahiro Watanabe, Kazumasa Yokoyama | 1988-10-04 |