Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7880392 | Plasma producing method and apparatus as well as plasma processing apparatus | Kenji Kato, Hiroshige Deguchi, Kiyoshi Kubota, Akinori Ebe, Yuichi Setsuhara | 2011-02-01 |
| 5697504 | Video coding system | Ryosuke Hiramatsu | 1997-12-16 |
| 5548666 | Image forming apparatus with filing function which can store image data and can efficiently perform document filing | Haruyoshi Hasegawa, Takefumi Nosaki, Koji Tanimoto, Hironobu Machida, Hajime Nakamura | 1996-08-20 |
| 5307426 | Image processing apparatus with improved dithering scheme | Hiroki Kanno | 1994-04-26 |
| 5299034 | Image processing apparatus and image processing method for reproducing a color image from color signals having different phases | Hiroki Kanno | 1994-03-29 |
| 5280546 | Image processing apparatus for variably magnifying image and controlling image density | Hironobu Machida, Hiroki Kanno | 1994-01-18 |
| 5260810 | Image processing apparatus with improved dithering scheme | Hiroki Kanno | 1993-11-09 |
| 5222157 | Image forming apparatus with filing function which can store image data and can efficiently perform document filing | Haruyoshi Hasegawa, Takefumi Nosaki, Koji Tanimoto, Hironobu Machida, Hajime Nakamura | 1993-06-22 |
| 5109436 | Image data processing system with adaptive binary quantization | Hironobu Machida, Hiroki Kanno | 1992-04-28 |
| 5077812 | Image processing apparatus | Hiroki Kanno | 1991-12-31 |
| 5001767 | Image processing device | Hironobu Machida, Hiroki Kanno, Koji Izawa | 1991-03-19 |
| 4998122 | Image binarization apparatus | Hiroki Kanno, Hironobu Machida | 1991-03-05 |
| 4827352 | Method of and apparatus for changing the pixel density of a binary image using average values calculated from sets of reference pixels selected from the binary image | Tadanobu Kamiyama | 1989-05-02 |
| 4694310 | Method and apparatus of electrophotography | Tutomu Saito | 1987-09-15 |
| 4661843 | Color image copying apparatus | Hidekazu Sekizawa, Akito Iwamoto, Naofumi Yamamoto | 1987-04-28 |
| 4515462 | Method and apparatus for forming multicolor image | — | 1985-05-07 |