Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478438 | Side light type surface light source device | Tsuyoshi Ishikawa | 2002-11-12 |
| 6396634 | Surface light source device of side light type | Tsuyoshi Ishikawa | 2002-05-28 |
| 5641225 | Illumination device | Hideaki Katoh, Teruo Hoshi | 1997-06-24 |
| 5497293 | Surface illuminant device | Jun Tamaki | 1996-03-05 |
| 5420771 | Illumination device | Hideaki Katoh, Teruo Hoshi | 1995-05-30 |
| 5186537 | Illumination device | Hideaki Katoh, Yutaka Kikuchi, Isamu Kaneko, Teruo Hoshi | 1993-02-16 |
| 5144539 | Illumination device | Hideaki Katoh, Yutaka Kikuchi, Isamu Kaneko, Toshiaki Sugimoto, Seiki Kitahara +3 more | 1992-09-01 |
| 5105345 | Illumination device | Hideaki Katoh, Yutaka Kikuchi, Isamu Kaneko | 1992-04-14 |
| 5101331 | Illumination device | Hideaki Katoh, Yutaka Kikuchi, Isamu Kaneko, Toshiaki Sugimoto, Seiki Kitahara +3 more | 1992-03-31 |
| 5038259 | Illumination device | Hideaki Katoh, Isamu Kaneko, Seiki Kitahara, Teruo Hoshi, Shuichi Satoh | 1991-08-06 |