Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914163 | Process for preparing heterocyclic copolymers | Kazuyuki Sakota, Wataru Minoshima, Takayuki Masuda, Chihiro Imai, Tetsuro Nakahama +1 more | 1990-04-03 |
| 4816459 | Tetrazolyl-substituted pyrido[1,2-a]pyrimidines and use as SRS-A antagonists | Naoto Matsuishi, Michiaki Amano, Norihiko Kakehi, Toshio Kawashima, Shigeki Omura | 1989-03-28 |
| 4798832 | Pyrido[1,2-a]pyrimidine compounds, corresponding intermediates and use as SRS-A antagonists | Naoto Matsuishi, Michiaki Amano, Norihiko Kakehi, Toshio Kawashima, Shigeki Omura | 1989-01-17 |