Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745467 | Color image-processing apparatus | Naofumi Yamamoto, Tutomu Saito, Haruko Kawakami | 1988-05-17 |
| 4698669 | Color picture reader and method for operating the same | Haruko Kawakami, Naofumi Yamamoto | 1987-10-06 |
| 4675727 | Optical color document reading apparatus wherein an image is blurred on a color image sensor to minimize color moire phenomenon effects | Akito Iwamoto | 1987-06-23 |
| 4672433 | Color signal processing apparatus with a signal interpolation function for use in a color copier | Naofumi Yamamoto, Tutomu Saito | 1987-06-09 |
| 4663662 | Picture signal processing system featuring simple or dithering binarization processing selected in response to local variations in picture density | Kiyoshi Yamada, Shuzo MIURA, Yasuo Hosaka | 1987-05-05 |
| 4661843 | Color image copying apparatus | Akito Iwamoto, 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 | Akito Iwamoto | 1985-12-24 |
| 4510866 | Apparatus for measuring the area of image portion of image-bearing member | Akito Iwamoto, Kousaku Togashi, Hideo Fujie | 1985-04-16 |
| 4408883 | Apparatus for inspecting average size of fundamental patterns | Akito Iwamoto | 1983-10-11 |
| 4360269 | Apparatus for inspecting defects in a periodic pattern | Akito Iwamoto | 1982-11-23 |
| 4330775 | Apparatus for inspecting defects in a periodic pattern | Akito Iwamoto | 1982-05-18 |
| 4299443 | Apparatus for detecting the defects of a pattern with directional characteristics using a filter having arm sections of curved shape | Masana Minami | 1981-11-10 |