Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12038594 | Light guide plate, lighting apparatus, and display apparatus | Kazumi Chijiwa, Takeshi Asakura, Atsushi Kurita | 2024-07-16 |
| 11762240 | Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets | Lingwei Goh | 2023-09-19 |
| 10684405 | Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets | Lingwei Goh | 2020-06-16 |
| 10036844 | Surface light source device and prism sheet | Kazumi Chijiwa | 2018-07-31 |
| 8922726 | Non-spectacled stereoscopic display apparatus capable of decreasing crosstalk | Masatsuna Sawada | 2014-12-30 |
| 8847854 | Non-spectacled stereoscopic display apparatus capable of improving optical characteristics | Yasuo Toko, Masatsuna Sawada | 2014-09-30 |
| 8786804 | Surface light source device and LCD unit | Norihiro Sakamoto, Atsushi Omori, Tsuneo Sekiguchi | 2014-07-22 |
| 8403550 | Surface light source device | Junji Nakamura, Fumitoshi Isobe | 2013-03-26 |
| 8368842 | Surface light source device and LCD unit | Atsushi Kurita | 2013-02-05 |
| 7094520 | Die for molding optical panel, process for production thereof, and use thereof | Kenzo Murata | 2006-08-22 |
| 6692133 | Plane light source apparatus, light guide plate and display | Yoshihiro Katsu, Masaki Ohshima, Masaru Suzuki, Yasuyuki Daigo | 2004-02-17 |
| 6344886 | Light guide device enhancing a polarized component and liquid crystal display device | Koji Kawada, Masaru Suzuki | 2002-02-05 |
| 6323919 | Reflection type display with front light | Ying Bao Yang, Osamu Ishige | 2001-11-27 |
| 6124906 | Wedge shaped light guide providing enhanced polarized light to a backlight liquid crystal display | Koji Kawada, Masaru Suzuki, Yoshiteru Watanabe | 2000-09-26 |
| 6118503 | Light guide device enhancing a polarized component and liquid crystal display device | Koji Kawada, Masaru Suzuki | 2000-09-12 |
| 6055029 | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means | Mikio Kurihara, Fumihisa Hanzawa, Kazushige Ohta, Takashi Noma, Hidiaki Sasaya +1 more | 2000-04-25 |
| 6027222 | Back light device for crystal liquid display | Kenichi Inoue | 2000-02-22 |
| 5558420 | Flat lighting device | Koichi Hanaski, Shigeo Fujisawa | 1996-09-24 |
| 5408388 | Planar illuminating device | Uruo Kobayashi, Nobuo Matsui, Yoshinori Go | 1995-04-18 |
| 5128973 | Circuit system for preventing measuring device from being erroneously operated | Masahiro Sasaki, Hideyuki Kamiyama | 1992-07-07 |