Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864043 | Platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Sumio Yoda, Katsutoshi Takahashi | 1989-09-05 |
| 4861905 | Platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Sumio Yoda, Katsutoshi Takahashi | 1989-08-29 |