Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825896 | Light guide plate and display device | Youichiro Goto, Hiroshi Yamashita, Yoshiaki Maeno, Masahiro Higuchi | 2004-11-30 |
| 6565225 | Bar-shaped light guide, beam lighting device using the bar-shaped light guide, and surface lighting device using the beam lighting device | Koji Mabuchi, Youichiro Goto, Nobuo Iwatsuki | 2003-05-20 |
| 6273577 | Light guide plate, surface light source using the light guide plate, and liquid crystal display using the surface light source | Youichiro Goto, Michiaki Sato, Masahiro Higuchi, Takanari Kusafuka | 2001-08-14 |
| 5523825 | Image forming apparatus with precharger | Michiaki Satoh, Mitsuaki Kurokawa, Yoshinori Senoh, Youichirou Gotoh | 1996-06-04 |
| 5138387 | Charge injection image forming apparatus using conductive and insulative tone | Michiaki Sato, Toru Yamamura, Youichiro Goto | 1992-08-11 |