Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701544 | Process for producing color filter | Kazuya Ishiwata, Yasuyuki Watanabe, Naoya Nishida | 1997-12-23 |
| 5650251 | Process for producing color filter comprising an ultrasonic wave projected perpendicularly to the substrate | Kazuya Ishiwata, Yasuyuki Watanabe, Naoya Nishida | 1997-07-22 |