Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7535580 | Image forming apparatus and image forming method | — | 2009-05-19 |
| 7170643 | Image reading apparatus, composite apparatus using the image reading apparatus, and control apparatus and method for the image reading apparatus | Noriaki Matsui, Toshio Hayashi, Junichi Kishimoto, Katsuhiro Ishido, Satoru Kijima | 2007-01-30 |
| 6952290 | Sensing of original size | Katsuhiro Ishido, Akihiro Kashiwabara, Toshio Hayashi, Takeshi Aoyama, Tsunao Honbo +2 more | 2005-10-04 |
| 6208828 | Compact image forming apparatus | Takashi Awai, Yasuhiro Matsumoto, Masahiko Yokota | 2001-03-27 |
| 5748335 | Image reading apparatus with A/D conversion and adjustment thereof | Toshio Honma, Shizuo Hasegawa, Yasumichi Suzuki, Hiroshi Itagaki, Kenji Sasahara | 1998-05-05 |
| 5596427 | Image reading apparatus with A/D conversion and adjustment thereof | Toshio Honma, Shizuo Hasegawa, Yasumichi Suzuki, Hiroshi Itagaki, Kenji Sasahara | 1997-01-21 |
| 5185659 | Color image reading apparatus having common circuitry for the color component signals | Hiroshi Itagaki | 1993-02-09 |
| 5166784 | Original reading apparatus, having a filter, for reading a color original | Kenichi Suda, Shizuo Hasegawa | 1992-11-24 |
| 5121230 | Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements | Toshio Honma, Shizuo Hasegawa, Yasumichi Suzuki, Hiroshi Itagaki, Kenji Sasahara | 1992-06-09 |
| 5077605 | Color image reading apparatus having shading correction for plural color component signals | Yoshinori Ikeda, Tadashi Yoshida, Kimiyoshi Hayashi, Shunichi Abe, Mitsuo Akiyama +1 more | 1991-12-31 |
| 4987484 | Halftone image signal processing apparatus in which pixels of a dither threshold pattern are each divided into an operator-selected number of micropixels | Yoshinori Ikeda, Tadashi Yoshida, Kimiyoshi Hayashi, Shunichi Abe, Mitsuo Akiyama +1 more | 1991-01-22 |
| 4891690 | Color image reading apparatus with plural linear sensors which can read different lines of the image | Shizuo Hasegawa | 1990-01-02 |
| 4862286 | Image reading apparatus which adjusts image signals to improve signal balance | Kenichi Suda, Shizuo Hasegawa | 1989-08-29 |
| 4774566 | Color image processing apparatus for processing a serial color signal comprising plural color component signals into identical phase parallel signals | Naoto Kawamura | 1988-09-27 |
| 4745466 | Digital color image processing apparatus with color masking processing unit addressed by a plurality of multi-bit color component signals using various combinations of the bits of the signals | Tadashi Yoshida, Kimiyoshi Hayashi, Shunichi Abe, Yoshinori Ikeda, Mitsuo Akiyama +1 more | 1988-05-17 |
| 4590514 | Color image processing apparatus | Yoshinori Ikeda | 1986-05-20 |