Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508484 | Liquid crystal display device | Hiroshi Mizuhashi, Yuko Yamauchi, Takeo Koito, Tsutomu Tanaka, Takayuki Nakanishi +1 more | 2013-08-13 |
| 8466886 | Liquid-crystal display panel and chopper-type comparator | Hiroshi Mizuhashi, Yuko Yamauchi, Yoshiharu Nakajima, Tsutomu Tanaka, Takeo Koito +1 more | 2013-06-18 |
| 8355108 | Liquid-crystal display device and method of manufacturing same | Takeo Koito, Koichi Nagasawa, Hidehiro Kosaka | 2013-01-15 |
| 7716000 | Sensor apparatus having sensor element | Kazuyuki Nagao, Ichiro Kato | 2010-05-11 |
| 6118550 | Image processing apparatus | — | 2000-09-12 |
| 6097501 | Color correction device | Haruo Yamamoto, Koji Nakamura | 2000-08-01 |
| 5929417 | Image reading apparatus with data density and gamma correction means | Koji Nakamura | 1999-07-27 |
| 5902052 | Color image-forming machine and method of forming a correction table therefor | — | 1999-05-11 |
| 5805313 | Color correcting method and color correcting device involving masking equation variation based upon gray levels for a selected color | Haruo Yamamoto, Koichi Matsuo, Shinji Hayashi | 1998-09-08 |
| 5799139 | Image formation processing system | Haruo Yamamoto, Katsumi Amakawa, Masaya Fujimoto, Koichi Matsuo, Ryuichi Okumura +1 more | 1998-08-25 |
| 5754316 | Color correction device for correcting color deviations resulting from color filter characteristics | Haruo Yamamoto, Shinji Hayashi | 1998-05-19 |
| 5748857 | Image gradation setting device for use in an image forming apparatus | Koji Nakamura, Haruo Yamamoto | 1998-05-05 |
| 5715378 | Density processing method | Masaya Fujimoto, Haruo Yamamoto, Tetsuya Kagawa | 1998-02-03 |
| 5499361 | Density processing method | Masaya Fujimoto, Haruo Yamamoto, Tetsuya Kagawa | 1996-03-12 |
| 5422740 | Image forming apparatus which effects output gray level correction | Masaya Fujimoto, Haruo Yamamoto, Tetsuya Kagawa | 1995-06-06 |
| 5398109 | Apparatus and method for correcting color image data according to a masking equation | Katsumi Amakawa, Haruo Yamamoto | 1995-03-14 |
| 5357467 | Security circuit for protecting data stored in memory | — | 1994-10-18 |
| 5307135 | Color image forming apparatus having mono-color image forming function | Katsumi Amakawa, Haruo Yamamoto | 1994-04-26 |
| 4945295 | Operation confirmatory circuit for linear actuator | Fumihiko Hara, Genjiro Yamada | 1990-07-31 |
| 4910419 | Overload detection mechanism for motor-driven linear actuator | Kenichiro Nakamura | 1990-03-20 |
| 4727762 | Driving force support for linear actuator | — | 1988-03-01 |