Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200840 | Image processing apparatus | Yuzo Koike, Hidekazu Sekizawa | 1993-04-06 |
| 5136401 | Image layout apparatus for performing pattern modification such as coloring of an original image | Haruko Kawakami, Hidekazu Sekizawa | 1992-08-04 |
| 5028991 | Image signal processing apparatus for use in color image reproduction | Hidekazu Sekizawa, Akito Iwamoto, Shuzo Hirahara, Tutomu Saito, Kazuhiko Higuchi +1 more | 1991-07-02 |
| 4926251 | Color image processing apparatus with image corrector | Hidekazu Sekizawa, Tutomu Saito, Kazuhiko Higuchi, Haruko Kawakami | 1990-05-15 |
| 4806780 | Image correction method and apparatus with partial detector array sampling | Tutomu Saito, Hidekazu Sekizawa | 1989-02-21 |
| 4803496 | Method for recording a color image | Haruko Kawakami, Hidekazu Sekizawa | 1989-02-07 |
| 4745467 | Color image-processing apparatus | Hidekazu Sekizawa, Tutomu Saito, Haruko Kawakami | 1988-05-17 |
| 4698669 | Color picture reader and method for operating the same | Hidekazu Sekizawa, Haruko Kawakami | 1987-10-06 |
| 4675704 | Method and apparatus for reproducing color image | — | 1987-06-23 |
| 4672433 | Color signal processing apparatus with a signal interpolation function for use in a color copier | Hidekazu Sekizawa, Tutomu Saito | 1987-06-09 |
| 4661843 | Color image copying apparatus | Hidekazu Sekizawa, Akito Iwamoto, Hitoshi Yoneda | 1987-04-28 |