Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8254732 | Phase modulator and optical modulation device | Takaaki Takeishi | 2012-08-28 |
| 7889307 | Liquid crystal optical modulator and the process for producing the same | — | 2011-02-15 |
| 7336250 | Method and apparatus for driving liquid-crystal optical-modulation device | Atsushi Shiraishi | 2008-02-26 |
| 7253873 | Dynamic gain equalizer | — | 2007-08-07 |
| 7251410 | Variable optical attenuator and optical filter | — | 2007-07-31 |
| 7218302 | Liquid crystal optical modulator and drive method | — | 2007-05-15 |
| 7167230 | Liquid crystal variable wavelength filter unit, and driving method thereof | Werner Klaus | 2007-01-23 |
| 7149404 | Laser diode module | — | 2006-12-12 |
| 7099526 | Optical switch | — | 2006-08-29 |
| 7019724 | Liquid crystal optical switch | — | 2006-03-28 |
| 6937301 | Time piece with power generation function | Kanetaka Sekiguchi, Takashi Akiyama, Masami Kikuchi, Yuichi Akiba, Koji Nakagawa +2 more | 2005-08-30 |
| 6930738 | Liquid crystal display with particular reflective switched states | Yasushi Kaneko, Takashi Akiyama | 2005-08-16 |
| 6879431 | Optical deflection apparatus and optical deflection method | — | 2005-04-12 |
| 6713235 | Method for fabricating thin-film substrate and thin-film substrate fabricated by the method | Toshiyuki Sameshima | 2004-03-30 |
| 6707515 | Liquid crystal display | Takashi Akiyama, Yasushi Kaneko, Naoyoshi Tohyama | 2004-03-16 |
| 6646697 | Liquid crystal display | Kanetaka Sekiguchi, Takashi Akiyama, Masami Kikuchi, Yuichi Akiba, Koji Nakagawa +2 more | 2003-11-11 |
| 6643224 | Timepiece including multiple liquid crystal displays | Kanetaka Sekiguchi, Takashi Akiyama, Masami Kikuchi, Yuichi Akiba, Koji Nakagawa | 2003-11-04 |
| 6580479 | Timepiece | Kanetaka Sekiguchi, Takashi Akiyama, Masami Kikuchi, Yuichi Akiba, Koji Nakagawa +2 more | 2003-06-17 |
| 6351297 | Liquid crystal display panel for using in a timepiece comprising reflective polarizers and absorption film | Takashi Akiyama, Kanetaka Sekiguchi, Masami Kikuchi, Yuichi Akiba, Koji Nakagawa +1 more | 2002-02-26 |
| 6297864 | Liquid crystal display | Yasushi Kaneko, Takashi Akiyama | 2001-10-02 |
| 6292439 | Watch | Yuichi Akiba, Takashi Akiyama, Kanetaka Sekiguchi, Masami Kikuchi, Koji Nakagawa | 2001-09-18 |
| 6271050 | Method of manufacturing thin film diode | Yuichi Akiba | 2001-08-07 |
| 6271901 | Liquid crystal display device with two reflective polarizers providing metallic appearance effects | Takashi Akiyama, Kanetaka Sekiguchi, Masami Kikuchi, Yuichi Akiba, Koji Nakagawa +1 more | 2001-08-07 |
| 6169708 | Timepiece | Yasushi Kaneko, Takashi Akiyama | 2001-01-02 |
| 6040201 | Method of manufacturing thin film diode | Yuichi Akiba | 2000-03-21 |