Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888439 | Polyprenyl compound and pharmaceutical use | Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Akiharu Kajiwara +2 more | 1989-12-19 |
| 4820841 | Chromogenic quinoline compounds | Kouzou Mizuno, Yukihiko Sueto, Katsuhiko Tsunemitsu | 1989-04-11 |