Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642393 | Acid anhydrides | Koji Okada, Shoji Hara | 2003-11-04 |
| 6605353 | Epoxy-modified polyimide, photosensitive composition, coverlay film, solder resist, and printed wiring board using the epoxy-modified polyimide | Koji Okada, Shoji Hara | 2003-08-12 |
| 6601962 | Surface light emitting device | Munetsugu Ehara, Eiji Nakanishi, Koichi Kunikata | 2003-08-05 |