Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801293 | Method for manufacturing an in-plane electric field mode liquid crystal element | Kazuhiro Nishiyama, Junko Asayama, Kazunori Komori, Yukio Tanaka, Kazuo Inoue +6 more | 2004-10-05 |
| 6690440 | Liquid crystal element and manufacturing method thereof | Kazuhiro Nishiyama, Yukio Tanaka, Kazunori Komori | 2004-02-10 |
| 6525798 | Liquid crystal display unit | Hiroyuki Yamakita, Katsuhiko Kumagawa, Akinori Shiota, Ichiro Sato | 2003-02-25 |
| 6452655 | Liquid crystal device and its manufacturing method | Kazuhiro Nishiyama, Yukio Tanaka, Kazunori Komori | 2002-09-17 |
| 6388649 | Spatial light modulator and a method for driving the same | Yukio Tanaka, Koji Akiyama, Yasunori Kuratomi, Junko Asayama, Hisahito Ogawa | 2002-05-14 |
| 5990853 | Projection type image displaying apparatus | Yasunori Kuratomi, Koji Akiyama, Hiroshi Tsutsui, Toshikatsu Kawakami, Yasuaki Muto +1 more | 1999-11-23 |
| 5876891 | Photosensitive material and process for the preparation thereof | Hirofumi Wakemoto, Eiichiro Tanaka, Masanori Watanabe, Junko Asayama, Hisahito Ogawa +2 more | 1999-03-02 |
| 5847778 | Video display device | Yasuaki Muto, Hiroshi Miyai, Yasunori Kuratomi, Toshikazu Kawakami, Hiroshi Noguchi | 1998-12-08 |
| 5798806 | Spatial light modulator and projector | Hiroshi Tsutsui, Kazunori Komori, Kazuhiro Nishiyama, Yasunori Kuratomi, Koji Akiyama +1 more | 1998-08-25 |
| 5781267 | Anti-ferroelectric liquid crystal with black display in one frame, white in other and ratio giving grey scale | Junichi Hibino, Hisahito Ogawa | 1998-07-14 |
| 5654367 | Organic polymer and preparation and use thereof | Hirofumi Wakemoto, Eiichiro Tanaka, Masanori Watanabe, Junko Asayama, Hisahito Ogawa +2 more | 1997-08-05 |
| 5597889 | Organic polymer and preparation and use thereof | Hirofumi Wakemoto, Eiichiro Tanaka, Masanori Watanabe, Junko Asayama, Hisahito Ogawa +2 more | 1997-01-28 |
| 5594567 | Spatial light modulator with a photoconductor having uneven conductivity in a lateral direction and a method for fabricating the same | Koji Akiyama, Hisahito Ogawa | 1997-01-14 |
| 5515189 | Neural network device and image recognition method employing photoconductive liquid crystal device with patterned electrode | Yasunori Kuratomi, Koji Akiyama, Michihiro Miyauchi, Koji Nomura, Hisahito Ogawa | 1996-05-07 |
| 5486442 | Organic polymer and preparation and use in crystal spatial light modulator | Hirofumi Wakemoto, Eiichiro Tanaka, Masanori Watanabe, Junko Asayama, Hisahito Ogawa +2 more | 1996-01-23 |
| 5453860 | Spatial light modulator having a photoconductor with grooves and a quantum efficiency greater than unity | Koji Akiyama, Hisahito Ogawa | 1995-09-26 |
| 5443864 | Spatial light modulator and a neural network circuit | Koji Akiyama, Michihiro Miyauchi, Yasunori Kuratomi, Koji Nomura, Hisahito Ogawa +1 more | 1995-08-22 |
| 5436742 | Method for driving a ferroelectric spatial light modulator including a first voltage, write pulse, and second voltage greater than and longer than the first | Yukio Tanaka, Hisahito Ogawa | 1995-07-25 |
| 5428711 | Spatial light modulator and neural network | Koji Akiyama, Hisahito Ogawa | 1995-06-27 |
| 5416621 | Driving method for ferroelectric liquid crystal spatial light modulator | Yukio Tanaka, Koji Akiyama, Yasunori Kuratomi, Junko Asayama, Hisahito Ogawa | 1995-05-16 |
| 5384649 | Liquid crystal spatial light modulator with electrically isolated reflecting films connected to electrically isolated pixel portions of photo conductor | Yukio Tanaka, Junko Asayama, Koji Akiyama, Yasunori Kuratomi, Hisahito Ogawa | 1995-01-24 |
| 5364668 | Spatial light modulator and a neural network circuit | Koji Akiyama, Michihiro Miyauchi, Yasunori Kuratomi, Koji Nomura, Hisahito Ogawa +1 more | 1994-11-15 |
| 5331182 | Organic light emitting device and preparation and use thereof | Michio Okajima, Masaaki Suzuki, Hisahito Ogawa | 1994-07-19 |
| 4886719 | Electrophotography photosensitive member and a method for fabricating same | Eiichiro Tanaka, Koji Akiyama, Kyoko Onomichi, Masanori Watanabe, Chisato Sakahara | 1989-12-12 |