Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667932 | Positive photoresist composition | Kenichiro Sato, Kunihiko Kodama | 1997-09-16 |
| 5601958 | Method for preparation of printing plate by electrophotographic process | Eiichi Kato, Hiroyuki Ohishi | 1997-02-11 |