Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6273577 | Light guide plate, surface light source using the light guide plate, and liquid crystal display using the surface light source | Youichiro Goto, Toru Nose, Masahiro Higuchi, Takanari Kusafuka | 2001-08-14 |
| 6250767 | Light guide plate, surface light source and display using the same | Takanari Kusafuka, Masahiro Higuchi, Kenkiti Okamoto, Yoshiaki Yamada, Kenji Kiyota | 2001-06-26 |
| 5999685 | Light guide plate and surface light source using the light guide plate | Youichiro Goto, Yasuko Teragaki, Katsutoshi Hibino, Kenji Torazawa, Masahiro Higuchi +1 more | 1999-12-07 |
| 5138387 | Charge injection image forming apparatus using conductive and insulative tone | Toru Yamamura, Youichiro Goto, Toru Nose | 1992-08-11 |
| 5093821 | Optical pickup apparatus using plural laser sources of different wavelengths | Hiroshi Katayama | 1992-03-03 |