Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862190 | Surface light source for emitting light from two surfaces and double-sided display device using the same | — | 2011-01-04 |
| 7347605 | Surface light source for emitting light from two surfaces and double-sided display device using the same | — | 2008-03-25 |
| 7156546 | Surface light source for emitting light from two surfaces and double-sided display device using the same | — | 2007-01-02 |
| 7083317 | Surface-shaped light irradiation device | — | 2006-08-01 |
| 6981791 | Surface light source for emitting light from two surfaces and double-sided display device using the same | — | 2006-01-03 |
| 4936157 | Rack and pinion type steering apparatus | Yoshima Kotake, Keiichi Sakamoto | 1990-06-26 |