Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880774 | Sustained release aromatic | Isao Joukou, Ayako Sekikawa, Kenji Tahara | 1989-11-14 |
| 4863924 | N-benzoyl urea compounds, antitumorous compositions containing them | Takahiro Haga, Nobutoshi Yamada, Toru Koyanagi, Hiroshi Okada | 1989-09-05 |
| 4849425 | Readily absorbable pharmaceutical composition | Nobuo Kondo, Tsunetaka Nakajima, Masahiro Watanabe, Kazumasa Yokoyama, Tadakazu Suyama +3 more | 1989-07-18 |
| 4845093 | N-benzoyl-N'-pyridazinyloxyphenyl urea compounds, and antitumorous compositions containing them, and process for their preparation | Takahiro Haga, Nobutoshi Yamada, Toru Koyanagi, Hiroshi Okada | 1989-07-04 |
| 4818771 | Diphenic acid bis(dicyclohexylamide) for clothrate compound, process for producing the same | Fumio Toda, Ayako Sekikawa, Kenji Tahara | 1989-04-04 |