Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549657 | Image processing apparatus and method | Ken-ichi Ohta, Masahiro Funada, Yushi Matsukubo | 2003-04-15 |
| 6185341 | Image processing using vector data to reduce noise | Yoshihiro Ishida, Akihiro Katayama | 2001-02-06 |
| 5933528 | Image processing apparatus | Akihiro Katayama, Yoshihiro Ishida | 1999-08-03 |
| 5878161 | Image processing using vector data to reduce noise | Yoshihiro Ishida, Akihiro Katayama | 1999-03-02 |
| 5757961 | Image processing method and apparatus for obtaining a zoom image using contour information of a binary image | Yoshihiro Ishida, Akihiro Katayama | 1998-05-26 |
| 5748777 | Apparatus and method for extracting outline data and encoding image data using the outline data | Akihiro Katayama, Yoshihiro Ishida | 1998-05-05 |
| 5579405 | Method and apparatus for contour vector image processing | Yoshihiro Ishida, Akihiro Katayama | 1996-11-26 |
| 5561534 | Image processing method and apparatus | Yoshihiro Ishida, Kunihiro Yamamoto | 1996-10-01 |
| 5515179 | Image processing of isolated pixels, and method, apparatus and facsimile incorporating such processing | Yoshihiro Ishida | 1996-05-07 |