Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379538 | Light-guide plate, area light source device, display device, manufacturing method for light guide plate | Kohei KOMIZO, Hironori Hashiguchi, Koujiro Ohkawa | 2025-08-05 |
| 12235486 | Light-guide plate, area light source device, display device, manufacturing method for light guide plate | Kohei KOMIZO, Hironori Hashiguchi, Koujiro Ohkawa | 2025-02-25 |
| 12092853 | Light-guide plate, area light source device, display device, manufacturing method for light guide plate | Kohei KOMIZO, Hironori Hashiguchi, Koujiro Ohkawa | 2024-09-17 |
| 11513276 | Light-guide plate, area light source device, display device, manufacturing method for light guide plate | Kohei KOMIZO, Hironori Hashiguchi, Koujiro Ohkawa | 2022-11-29 |
| 9285669 | Reflection screen and image display system | Kazunobu Ogawa | 2016-03-15 |
| 9030736 | Reflection screen and image display system | Kazunobu Ogawa | 2015-05-12 |
| 8891169 | Optical sheet and display device | Tsuyoshi Kashiwagi, Hiroyuki Amemiya, Nobuhiko Ichikawa | 2014-11-18 |
| 8696187 | Surface light source device, optical member, and display device | Masahiro Goto | 2014-04-15 |
| 8634136 | Transmission screen for interactive board | Kazunobu Ogawa, Takeshi Ogawa, Kenji Ohki | 2014-01-21 |