Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42071 | Color image forming apparatus and method of controlling same | — | 2011-01-25 |
| 7203434 | Color image forming apparatus and method of controlling same | — | 2007-04-10 |
| 7111784 | Color image forming apparatus and color measurement controlling method therefor | — | 2006-09-26 |
| 7036737 | Image forming apparatus | Tomoaki Nakai | 2006-05-02 |
| 6961526 | Image forming apparatus which performs image formation control based on the image after fixing | Hiroki Tezuka, Seiji Uchiyama, Yoichiro Maebashi | 2005-11-01 |
| 6959157 | Shading correction method for a sensor, and color image forming apparatus | — | 2005-10-25 |
| 6731889 | Image forming apparatus and patch detection method | — | 2004-05-04 |
| 6665501 | Image forming apparatus, communication controlling method and storage medium | Tomoyuki Okada | 2003-12-16 |
| 6353353 | Integrated semiconductor circuit with improved power supply control | — | 2002-03-05 |
| 5991320 | Light emitting element drive apparatus | — | 1999-11-23 |
| 5784655 | Focus detecting apparatus having photoelectric area sensors | Akira Akashi, Mamoru Miyawaki, Kenji Suzuki | 1998-07-21 |
| 5615399 | Focus detecting apparatus having photoelectric area sensors | Akira Akashi, Mamoru Miyawaki, Kenji Suzuki | 1997-03-25 |
| 5591960 | Photoelectric converter with signal processing | Tatsuo Furukawa | 1997-01-07 |
| 5485004 | Photosensor device including means for designating a plurality of pixel blocks of any desired size | Kenji Suzuki, Mamoru Miyawaki, Akira Akashi | 1996-01-16 |
| 5428420 | Focus detecting apparatus having photoelectric area sensors | Akira Akashi, Mamoru Miyawaki, Kenji Suzuki | 1995-06-27 |
| 5386108 | Photoelectric conversion device for amplifying and outputting photoelectrically converted signal, and a method thereof | Shiro Arikawa, Isamu Ueno | 1995-01-31 |
| 5241167 | Photosensor device including means for designating a plurality of pixel blocks of any desired size | Kenji Suzuki, Mamoru Miyawaki, Akira Akashi | 1993-08-31 |
| 5182447 | Photoelectric converting apparatus with maximum and minimum accumulation detecting | — | 1993-01-26 |
| 4974008 | Focus detecting system | Junichi Nakamura, Masafumi Yamazaki | 1990-11-27 |