Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661484 | Retardation matching using the liquid crystal twist angle for different color dots within a pixel of a reflective color LCD | Yoshio Iwai, Tomoaki Sekime, Yoshihiro Sakurai, Tetsu Ogawa | 2003-12-09 |
| 6633352 | Reflection type liquid crystal display device | Tomoaki Sekime, Yoshio Iwai, Tetsu Ogawa | 2003-10-14 |
| 6567149 | Reflection liquid crystal display device | Tomaoki Sekime, Yoshio Iwai, Tetsu Ogawa | 2003-05-20 |
| 6480251 | Reflection liquid crystal display element | Tomoaki Sekime, Yoshio Iwai, Tetsu Ogawa | 2002-11-12 |
| 6426785 | Reflective liquid crystal display device | Shingo Fujita, Hiroaki Mizuno, Tetsu Ogawa | 2002-07-30 |
| 6407787 | Reflective liquid crystal display device | Tomoaki Sekime, Yoshio Iwai | 2002-06-18 |
| 6392722 | Liquid crystal display device, and video display apparatus, information processing apparatus using it and method thereof | Tomoaki Sekime, Yoshio Iwai, Naoki Kato | 2002-05-21 |
| 6373541 | Reflection type liquid crystal display element | Tomoaki Sekime, Yoshio Iwai | 2002-04-16 |
| 6300990 | Reflective LCD device with low visual angle dependency and high contrast | Shingo Fujita, Hiroaki Mizuno, Tetsu Ogawa | 2001-10-09 |
| 6297863 | Reflective liquid crystal display device | Tomoaki Sekime, Yoshio Iwai, Tetsu Ogawa | 2001-10-02 |
| 6271905 | Reflective liquid crystal display device | Tomoaki Sekime, Yoshio Iwai | 2001-08-07 |
| 6130735 | Reflective liquid crystal display device having front scattering films | Takayuki Hatanaka, Shingo Fujita, Tetsu Ogawa | 2000-10-10 |
| 6055033 | Color liquid crystal display device using polymer and polarization films | Hiroaki Mizuno, Shingo Fujita, Tetsu Ogawa | 2000-04-25 |
| 5982463 | Liquid crystal display device capable of displaying color without a color filter | Hiroaki Mizuno, Shingo Fujita, Tetsu Ogawa | 1999-11-09 |
| 5574593 | Liquid crystal display element and laminated retardation film applied thereto | Naohide Wakita | 1996-11-12 |