Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667932 | Positive photoresist composition | Kenichiro Sato, Makoto Momota | 1997-09-16 |
| 5629128 | Positive photoresist composition | Koji Shirakawa, Kenichiro Sato, Yasumasa Kawabe, Shinji Sakaguchi | 1997-05-13 |