Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509900 | Image management apparatus and method, image management system, and storage medium | Yasuhiko Yasuda | 2003-01-21 |
| 6415052 | Color image processing apparatus | — | 2002-07-02 |
| 6285464 | Apparatus and method for producing a half-tone image | Akihiro Katayama, Akiko Fukuhara | 2001-09-04 |
| 6266449 | Information processing apparatus and method which selectively controls data encoding by monitoring amount of encoded data | — | 2001-07-24 |
| 6026197 | Coding method and apparatus therefor | Keiji Ishizuka | 2000-02-15 |
| 5991450 | Image encoding and decoding apparatus | Yasuji Hirabayashi, Katsutoshi Ushida | 1999-11-23 |
| 5917956 | Image processing apparatus capable of removing an edge portion from a multi-level color signal based on a binary color signal | Yasuji Hirabayashi, Tadashi Yoshida | 1999-06-29 |
| 5903366 | Color image encoding method | Yasuji Hirabayashi, Tadashi Yoshida | 1999-05-11 |
| 5900910 | Block matching method and apparatus which can use luminance/chrominance data | Yasuji Hirabayashi, Tadashi Yoshida | 1999-05-04 |
| 5898461 | Image processing apparatus | Kunihiro Yamamoto | 1999-04-27 |
| 5892546 | Encoding apparatus and method for encoding a quantized difference between an input signal and a prediction value | Yasuji Hirabayashi, Tadashi Yoshida | 1999-04-06 |
| 5883976 | Selectively utilizing multiple encoding methods | — | 1999-03-16 |
| 5875039 | Image processing method and apparatus | Yasuji Hirabayashi | 1999-02-23 |
| 5844718 | Image processing apparatus and method in which multi-level color signal with removed edge component is encoded | Yasuji Hirabayashi, Tadashi Yoshida | 1998-12-01 |
| 5825934 | Adaptive image coding method and apparatus | — | 1998-10-20 |
| 5818537 | Image processing method and apparatus for converting between data coded in different formats | Miyuki Enokida | 1998-10-06 |
| 5790195 | Image processing apparatus | — | 1998-08-04 |
| 5732153 | Color image processing apparatus | — | 1998-03-24 |
| 5655032 | Coding method and apparatus therefor | Keiji Ishizuka | 1997-08-05 |
| 5331426 | Image encoding method | Shigeo Kato, Yasuhiko Yasuda | 1994-07-19 |
| 5325448 | Image treatment method and apparatus with error dispersion and controllable quantization | Akihiro Katayama, Akiko Fukuhara | 1994-06-28 |
| 5282256 | Binary image data coding method having the function of correcting errors derived from coding | Akihiro Katayama | 1994-01-25 |
| 5136396 | Image encoding method | Shigeo Kato, Yasuhiko Yasuda | 1992-08-04 |
| 5126838 | Color image processing with undercolor removal suitable for use in digital processing | Kenichi Ohta, Akihiro Usami | 1992-06-30 |
| 5124811 | Image encoding apparatus | Yasuhiko Yasuda, Shigeo Kato | 1992-06-23 |