Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616359 | Image reading apparatus, image forming apparatus, and image forming method | Hidekazu Sekizawa, Yusuke Hashizume | 2009-11-10 |
| 5953552 | Image forming apparatus and method for detecting connected object | — | 1999-09-14 |
| 5552900 | Image forming apparatus having means to register marker pens used for image editing | — | 1996-09-03 |
| 5006866 | Thermal printing apparatus responsive to estimated stored heat of the heating element | — | 1991-04-09 |
| 4980706 | Image processor with partial image size zooming and method of partial image processing | — | 1990-12-25 |
| 4952972 | Life expiration detector for light source of image processing apparatus | — | 1990-08-28 |
| 4875092 | Image forming apparatus with positioning-mark forming function | Eiichi Yamanishi, Yasuo Abuyama | 1989-10-17 |
| 4849793 | Image reading apparatus | — | 1989-07-18 |
| 4845549 | Apparatus for selectively producing a positive multi-color print and negative color separation films or positive and negative color separation films using a multi-color thermal transfer ink ribbon | — | 1989-07-04 |
| 4831462 | Image forming apparatus with halftone control function | Yasuo Abuyama | 1989-05-16 |