Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7830481 | Liquid crystal display device with retardations of optical films and liquid crystal layer | Ken Sumiyoshi | 2010-11-09 |
| 7821599 | Image display | Koji Mimura, Ken Sumiyoshi | 2010-10-26 |
| 7705937 | Transflective liquid crystal display device | Michiaki Sakamoto, Hiroshi Nagai, Kenichi Mori, Hidenori Ikeno, Yasuki Kudo +1 more | 2010-04-27 |
| 7678454 | Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part | Shin-ichi Uehara, Yuko Sato, Ken Sumiyoshi, Setsuo Kaneko | 2010-03-16 |
| 7643100 | Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part | Shin-ichi Uehara, Yuko Sato, Ken Sumiyoshi, Setsuo Kaneko | 2010-01-05 |
| 7598939 | Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight | Ken Sumiyoshi, Toshihiro Yoshioka, Hiroshi Hayama | 2009-10-06 |
| 7525732 | Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part | Shin-ichi Uehara, Yuko Sato, Ken Sumiyoshi, Setsuo Kaneko | 2009-04-28 |
| 7329611 | Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part | Shinichi Uehara, Yuko Sato, Ken Sumiyoshi, Setsuo Kaneko | 2008-02-12 |
| 7310127 | LCD device and LCD projector | Yuko Sato, Mitsuhiro Sugimoto, Ken Sumiyoshi | 2007-12-18 |
| 6245258 | Smectic liquid crystal material and liquid crystal optical element | Ken-Ichi Takatori, Ken Sumiyoshi, Yoriko Hatada | 2001-06-12 |