Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839005 | Electrolytic-abrasive polishing method of aluminum surface | Kenichi Katsumoto, Shigeo Isoda, Takahiro Yuuki, Shiro Koike, Yutaka Yamamoto +3 more | 1989-06-13 |
| 4816386 | Near-infrared sensitive phthalocyanine-polymer compositions | Tosiyuki Kondoh, Mutsuo Aoyagi | 1989-03-28 |