Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803558 | Halftone image estimation methods for dither images | Seiichiro Hiratsuka, Yoshinori Abe | 1989-02-07 |
| 4783838 | Image processing method and apparatus therefor | — | 1988-11-08 |
| 4774591 | Image reader | Yoshinori Abe | 1988-09-27 |
| 4768082 | Methods of compressing and reproducing color image data | Seiichiro Hiratsuka | 1988-08-30 |
| 4758897 | Method and apparatus for estimating halftone image from binary image | Seiichiro Hiratsuka | 1988-07-19 |
| 4741046 | Method of discriminating pictures | Yasufumi Emori, Yoshizumi Yasuda | 1988-04-26 |
| 4733306 | Methods of discriminating and copying an image | Yoshinori Abe | 1988-03-22 |
| 4717964 | Image processing apparatus | Yoshinori Abe, Seiichiro Hiratsuka | 1988-01-05 |
| 4710822 | Image processing method | — | 1987-12-01 |
| 4578712 | Picture image discriminating apparatus | — | 1986-03-25 |
| 4562447 | Ion modulating electrode | Noriyoshi Tarumi, Haruo Iwahashi, Hiroshi Tokunaga | 1985-12-31 |
| 4556916 | Picture image discriminating apparatus | — | 1985-12-03 |
| 4524388 | Shading correction device | Yoshinori Abe | 1985-06-18 |
| 4495522 | Recording apparatus and method of picture image | Yoshinori Abe | 1985-01-22 |
| 4495508 | Electrostatic reproducing apparatus | Noriyoshi Tarumi, Haruo Iwahashi, Hiroshi Tokunaga | 1985-01-22 |
| 4488160 | Electrostatic apparatus | Noriyoshi Tarumi, Haruo Iwahashi, Hiroshi Tokunaga | 1984-12-11 |
| 4472724 | Electrostatic image reproducing apparatus | Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Hiroshi Tokunaga | 1984-09-18 |
| 4467333 | Copying apparatus | Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Hiroshi Tokunaga | 1984-08-21 |
| 4435723 | Recording apparatus with editing capability | Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Hiroshi Tokunaga | 1984-03-06 |
| 4435066 | Ion modulating electrode with improved transmission factor | Noriyoshi Tarumi, Haruo Iwahashi, Hiroshi Tokunaga | 1984-03-06 |
| 4430661 | Method and apparatus for image reproduction | Noriyoshi Tarumi, Hiroshi Tokunaga | 1984-02-07 |
| 4426654 | Ion modulating electrode | Noriyoshi Tarumi, Haruo Iwahashi, Hiroshi Tokunaga | 1984-01-17 |
| 4425035 | Image reproducing apparatus | Noriyoshi Tarumi, Haruo Iwahashi, Hiroshi Tokunaga | 1984-01-10 |