Issued Patents All Time
Showing 126–150 of 162 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055923 | Method of and apparatus for recording halftone images and halftone images produced thereby | Osamu Kitagawa | 1991-10-08 |
| 5050227 | Method of and apparatus for image smoothing along a tangential direction of a contour | Katsuhiko Furusawa, Makoto Hirosawa | 1991-09-17 |
| 5045931 | Method of and apparatus for recording halftone images and halftone images produced thereby | — | 1991-09-03 |
| 5038387 | Method of enhancing border of region included in image | — | 1991-08-06 |
| 5001573 | Method of and apparatus for performing detail enhancement | Makoto Hirosawa | 1991-03-19 |
| 4972256 | Method of enhancing image sharpness for image reproduction using sharp/unsharp signal processing | Makoto Hirosawa, Shinji Asada | 1990-11-20 |
| 4920430 | Method of and apparatus for jitter correction of a polygon mirror in an image recording apparatus | Koichi Isono, Kunio Tomohisa, Junichi Oka | 1990-04-24 |
| 4905025 | Method of and apparatus for recording image on photosensitive material with a plurality of photobeams | Masafumi Kawatani, Kazutaka Tasaka, Masahide Okazaki | 1990-02-27 |
| 4898463 | Optical time domain reflectometer with automatic measuring function of optical fiber defects | Kazumaro Kitagawa | 1990-02-06 |
| 4872065 | Method and apparatus for jitter correction of a polygon mirror in an image recording apparatus | Koichi Isono, Kunio Tomohisa, Junichi Oka | 1989-10-03 |
| 4718768 | Image data correction | Tetsuo HOUKI, Ikuo Mitsuka, Akira Kuwabara, Hitoshi Haibara | 1988-01-12 |
| 4656517 | Method for increasing resolution of array sensor and system therefor | Junji Shida, Yoshio Ono, Ikuo Mitsuka, Testuo Hoki, Akira Kuwabara +1 more | 1987-04-07 |
| 4618239 | Photographic apparatus and measurement method of exposure conditions | — | 1986-10-21 |
| 4618883 | Method of editing image signal | — | 1986-10-21 |
| 4573071 | Method and system for displaying a color image simulating a multi-color printed matter on a screen | — | 1986-02-25 |
| 4561061 | Method of tracing/recording image lines and apparatus therefor | Tetsuo Sano, Eiji Kodama, Masamichi Choh | 1985-12-24 |
| 4556901 | Method for scanning a plurality of scanning lines at the same time | — | 1985-12-03 |
| 4543613 | Method for producing halftone dots in a halftone plate recording apparatus | — | 1985-09-24 |
| 4535365 | Method and apparatus for positioning original pictures into a transparent sheet to be mounted to a picture cylinder of a picture reproducing machine | — | 1985-08-13 |
| 4514646 | Semiconductor integrated circuit device including a protective resistor arrangement for output transistors | Yoshibumi Ando, Kanji Yoh, Hisahiro Moriuchi, Sumiaki Takei | 1985-04-30 |
| 4511989 | Linear interpolating method and color conversion apparatus using this method | — | 1985-04-16 |
| 4498109 | Picture outline tracing and recording machine | — | 1985-02-05 |
| 4480156 | Echo canceller system | Kenzo Takahashi | 1984-10-30 |
| 4473298 | Method for measuring a halftone dot area rate or a halftone picture density | — | 1984-09-25 |
| 4468442 | Method for manufacturing half-tone printing plates | — | 1984-08-28 |