Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355187 | Liquid crystal projection display | Yoshiaki Iwahara, Takeo Yamada, Shigeru Mori, Fumio Inoue, Akio Yamamoto | 1994-10-11 |
| 5337090 | Video output circuit with wide bandwidth and low power consumption for high resolution display | Takeo Yamada, Miyuki Ikeda, Tsuneo Fujikura, Takahiko Fujiwara | 1994-08-09 |
| 5331256 | Focus yoke, electromagnetically focused CRT display with the focus yoke, and negative feedback circuit with stray-capacitor-cancellation means used for the CRT display or the like | Miyuki Ikeda, Toshiyuki Kimoto | 1994-07-19 |
| 5301021 | Display with vertical scanning format transformation | Tadashi Fukushima, Takeo Yamada, Shigeyuki Shiotani | 1994-04-05 |
| 5206761 | Large-screen projection type display | — | 1993-04-27 |
| 5200854 | Large-screen projection-type display | Yoshiaki Iwahara, Shuichi Sakamoto, Yukihiro Kobayashi | 1993-04-06 |
| 5194783 | Display apparatus based on a digital convergence scheme | Takeo Yamada, Miyuki Ikeda, Takashi Azuma, Satoshi Ootomo | 1993-03-16 |
| 5189347 | Video circuit for driving a cathode ray tube | Takeo Yamada, Miyuki Ikeda, Tsueno Fujikura, Takahiko Fujiwara | 1993-02-23 |
| 5089896 | Color deviation prevention device in projection display with minimized white chromaticity deviation | — | 1992-02-18 |
| 5085495 | Multi-screen projector | Yoshiaki Iwahara, Masutomi Ohta, Shoji Kuroda, Yuzo Tamura, Yukihiro Kobayashi | 1992-02-04 |
| RE33795 | Rear projection apparatus | — | 1992-01-14 |
| 5070281 | Display having automatic correction device for horizontal deflection distortion | Takeo Yamada, Miyuki Ikeda | 1991-12-03 |
| 5053724 | High precision PLL with circuit for preventing erroneous capture | Takeo Yamada, Miyuki Ikeda | 1991-10-01 |
| 5039923 | Focus adjusting device for projection display | Takeo Yamada, Miyuki Ikeda, Ichiro Niitsu | 1991-08-13 |
| 5023524 | Grid-drive type display apparatus | Tsuneo Fujikura, Yuji Shinagawa, Takeo Yamada | 1991-06-11 |
| 5011277 | Multi-screen projector | Yoshiaki Iwahara, Yuzo Tamura, Shoji Kuroda | 1991-04-30 |
| 5010280 | Vertical deflection circuit for CRT display device | Takeo Yamada, Miyuki Ikeda | 1991-04-23 |
| 4980614 | Convergence correction circuit | Takeo Yamada, Miyuki Ikeda, Toshiyuki Kimoto, Tsuneo Fujikura, Yoshihiro Arakawa | 1990-12-25 |
| 4969731 | Liquid crystal panel type projection display | Yoshiaki Iwahara, Yuzo Tamura | 1990-11-13 |
| 4961642 | Projection type display device for monitoring at short distance | — | 1990-10-09 |
| 4961030 | Miss convergence compensating device for projection type display | Takeo Yamada, Miyuki Ikeda, Toshiyuki Kimoto | 1990-10-02 |
| 4952850 | Horizontal deflection circuit | Takeo Yamada, Miyuki Ikeda | 1990-08-28 |
| 4931703 | S-distortion correcting circuit for CRT | — | 1990-06-05 |
| 4919518 | Multi-screen projector | Hiroshi Kaiwa, Yoshiaki Iwahara, Yuzo Tamura, Akio Yamamoto | 1990-04-24 |
| 4918359 | Cathode ray tube display device | Takeo Yamada, Miyuki Ikeda | 1990-04-17 |