Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916580 | Back-light device | Soichiro Ogawa | 1990-04-10 |
| 4803399 | Fluorescent lamp arrangement for uniformly illuminating a display panel | Soichiro Ogawa | 1989-02-07 |
| 4766524 | Back light device for uniformly illuminating a liquid crystal display plate | Soichiro Ogawa, Takao Shimizu | 1988-08-23 |