Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199081 | System for recording an image having a facial image and ID information | Tutomu Saito | 1993-03-30 |
| 5183347 | Apparatus for printing images on booklets | Kazuhiko Higuchi, Shuzo Hirahara, Tutomu Saito, Hitoshi Nagato | 1993-02-02 |
| 5028991 | Image signal processing apparatus for use in color image reproduction | Hidekazu Sekizawa, Shuzo Hirahara, Naofumi Yamamoto, Tutomu Saito, Kazuhiko Higuchi +1 more | 1991-07-02 |
| 4897668 | Apparatus for transferring ink from ink ribbon to a recording medium by applying heat to the medium, thereby recording data on the medium | Hitoshi Nagato, Tadayoshi Ohno, Tsutomu Kanai | 1990-01-30 |
| 4827335 | Color image reading apparatus with two color separation filters each having two filter elements | Tutomu Saito | 1989-05-02 |
| 4675727 | Optical color document reading apparatus wherein an image is blurred on a color image sensor to minimize color moire phenomenon effects | Hidekazu Sekizawa | 1987-06-23 |
| 4661843 | Color image copying apparatus | Hidekazu Sekizawa, Naofumi Yamamoto, Hitoshi Yoneda | 1987-04-28 |
| 4560280 | Apparatus for optically measuring the distance between two grating-like structures and the size of periodic pattern elements forming one of the grating-like structures | Hidekazu Sekizawa | 1985-12-24 |
| 4510866 | Apparatus for measuring the area of image portion of image-bearing member | Hidekazu Sekizawa, Kousaku Togashi, Hideo Fujie | 1985-04-16 |
| 4408883 | Apparatus for inspecting average size of fundamental patterns | Hidekazu Sekizawa | 1983-10-11 |
| 4360269 | Apparatus for inspecting defects in a periodic pattern | Hidekazu Sekizawa | 1982-11-23 |
| 4330775 | Apparatus for inspecting defects in a periodic pattern | Hidekazu Sekizawa | 1982-05-18 |