Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795466 | Distributed feedback type semiconductor laser device | Kiyoshi Takei, Nong Chen, Kiyofumi Chikuma | 2004-09-21 |
| 6728511 | Image forming apparatus | — | 2004-04-27 |
| 6714571 | Ridge type semiconductor laser of distributed feedback | Nong Chen, Kiyoshi Takei, Kiyofumi Chikuma | 2004-03-30 |
| 6686106 | Photosensitive resin compositions, insulating films, and processes for formation of the films | Hiroshi Yasuno, Hiroyuki Sakurai | 2004-02-03 |