Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847792 | Active matrix type liquid crystal display panel and projection type display device with light shielding film formed on top of active devices and between pixel electrodes | Tetsuya Kobayashi, Toshihiro Suzuki, Takeshi Gotoh, Kazutaka Hanaoka, Yasutoshi Tasaka +4 more | 1998-12-08 |
| 5796852 | System and method for electronic volume control of audio signals | — | 1998-08-18 |
| 5764412 | Polarization separation/conversion device for polarized lighting apparatus and projection display unit | Toshihiro Suzuki, Tetsuya Hamada, Mari Sugawara, Keiji Hayashi, Tetsuya Kobayashi +1 more | 1998-06-09 |
| 5614780 | Light source for projection type display device | Toshihiro Suzuki, Noriyuki Ohashi, Tetsuya Hamada, Takashi Kanno | 1997-03-25 |
| 5596651 | System and method for electronic volume control of audio signals | — | 1997-01-21 |
| 5517207 | Method and a system for driving a display panel of matrix type | Toyoshi Kawada, Tetsuya Kobayashi, Tetsuo Aoki, Hiroyuki Miyata | 1996-05-14 |
| 5506642 | Projector with plastic mirror | Toshihiro Suzuki, Tetsuya Kobayashi, Tetsuya Hamada, Takeshi Goto, Tsutomu Nagakari +1 more | 1996-04-09 |
| 5438953 | Crystal growth apparatus | Yoshihira Aoki, Giyuu Kido | 1995-08-08 |
| 5311227 | Liquid crystal projection display device with mirror | Akio Takayasu, Toshihiro Suzuki, Takeshi Goto, Tetsuya Kobayashi, Tetsuya Hamada +5 more | 1994-05-10 |
| 5307084 | Method and apparatus for driving a liquid crystal display panel | Yoshiya Kaneko, Munehiro Haraguchi, Hiroshi Murakami, Takayuki Hoshiya, Tetsuya Kobayashi +1 more | 1994-04-26 |
| 5233340 | Method of driving a display device | Atsushi Sakamoto, Kazuo Shoji, Kioichi Yamamoto, Toshihiro Ohba, Hisashi Uede | 1993-08-03 |
| 5196738 | Data driver circuit of liquid crystal display for achieving digital gray-scale | Kazuhiro Takahara, Tadahisa Yamaguchi, Masami Oda, Tetsuo Aoki, Fumitaka Asami | 1993-03-23 |
| 4812034 | Projection type liquid crystal display device | Akihiro Mochizuki, Masayuki Iwasaki, Yasuo Yamagishi, Kasumi Ikegami, Hiroyuki Gondo | 1989-03-14 |
| 4680430 | Coordinate detecting apparatus | Kazuo Yoshikawa, Toru Asano, Hideaki Takizawa, Shizuo Andoh | 1987-07-14 |
| 4636789 | Method for driving a matrix type display | Kazuhiro Takahara, Hiroyuki Gondoh, Toyoshi Kawada, Shizuo Andoh | 1987-01-13 |
| 4567470 | Touch sensing device | Kazuo Yoshikawa, Toru Asano | 1986-01-28 |
| 4556871 | Touch sensing device | Kazuo Yoshikawa, Toru Asano | 1985-12-03 |
| 4550310 | Touch sensing device | Toru Asano, Kazuhiro Takahara, Keizo Kurahashi, Shizuo Andoh | 1985-10-29 |
| 4458244 | Self shift type gas discharge panel driving system | Kazuo Yoshikawa, Keizo Kurahashi | 1984-07-03 |
| 4456909 | Method and circuit for selectively driving capacitive display cells in a matrix type display | Kazuhiro Takahara, Keizo Kurahashi | 1984-06-26 |
| 4426646 | Self shift type gas discharge panel, driving system | Toyoshi Kawada, Hirofumi Kashiwara, Hiroyuki Ishizaki, Kenji Murase | 1984-01-17 |
| 4423356 | Self-shift type gas discharge panel | Sei Sato, Masayuki Wakitani, Kenichi Oki, Shoshin Miura, Yoshinori Miyashita +2 more | 1983-12-27 |
| 4368467 | Display device | Tomoyuki Unotoro, Kunihiro Tanikawa, Keizo Kurahashi, Yuichiro Ito, Yoshihiro Miyamoto | 1983-01-11 |
| 4190789 | Driving system for a self-shift type gas discharge panel | Toyoshi Kawada, Hirofumi Kashiwara | 1980-02-26 |