Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130947 | Method of configuring access and security code | Takashi Sawaguchi | 2000-10-10 |
| 5641219 | Uniform illumination light emitting device | — | 1997-06-24 |
| 5249104 | Optical display device | — | 1993-09-28 |
| 5138782 | Display plate | — | 1992-08-18 |
| 5057974 | System for uniformly illuminating liquid crystal display board from rear side | — | 1991-10-15 |