Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123431 | Backlight apparatus and light guide plate | Katsutoshi Hibino, Youichiro Goto | 2000-09-26 |
| 5999685 | Light guide plate and surface light source using the light guide plate | Youichiro Goto, Michiaki Sato, Katsutoshi Hibino, Kenji Torazawa, Masahiro Higuchi +1 more | 1999-12-07 |
| 5598394 | Optical pick-up | Katsutoshi Hibino | 1997-01-28 |