Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895432 | Display device having anti-reflective electrodes and/or insulating film | Koji Sumi, Koichi Kamijo, Hideaki Okumura | 1990-01-23 |
| 4859037 | Liquid crystal electrically-controlled birefringence display devices with improved contrast | Masashi Mochizuki | 1989-08-22 |
| 4737018 | Display device having anti-reflective electrodes and/or insulating film | Koji Sumi, Koichi Kamijo, Hideaki Okamura | 1988-04-12 |
| 4718751 | Optical panel and method of fabrication | Koichi Kamijo, Koji Sumi | 1988-01-12 |
| 4715686 | Light-passive display device and method of manufacturing same | Hideaki Okumura | 1987-12-29 |
| 4660935 | Liquid crystal display device having electrodes shaped to compensate for positioning error | Kotaro Ueno | 1987-04-28 |
| 4640583 | Display panel having an inner and an outer seal and process for the production thereof | Jun Hoshikawa | 1987-02-03 |
| 4526818 | Liquid crystal display panel and process for the production thereof | Jun Hoshikawa, Osamu Suzuawa | 1985-07-02 |