Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633111 | Photoresist composition and article containing 1,2-quinonediazide and an organic phosphorous acid compound | Kesanao Kobayashi | 1997-05-27 |
| 5624793 | Method of manufacturing solid processing composition for silver halide photographic light-sensitive materials | Hiroshi Yamashita, Koji Takemura | 1997-04-29 |