Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735590 | Backlighting device with a transparent sheet having straight ridges | Keiji Kashima, Naoki Yoshida, Taiji Yamamoto | 1998-04-07 |
| 5521797 | Backlighting device | Keiji Kashima, Naoki Yoshida | 1996-05-28 |
| 4806923 | Miniaturized electronic apparatus | Tsuguo Yanai, Shoji Matsuo, Hidetaka Fujisawa | 1989-02-21 |