Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659628 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Michiyoshi Tachikawa, Shigeo Kurotaka, Takeshi Ukai, Yukio Sakano, Kouji Ishigaki +4 more | 1997-08-19 |
| 5652803 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Michiyoshi Tachikawa, Shigeo Kurotaka, Takeshi Ukai, Yukio Sakano, Kouji Ishigaki +4 more | 1997-07-29 |
| 5646749 | Color image forming apparatus | Yasumori Nagahara | 1997-07-08 |
| 5600445 | Modular copying system using light wave, electric wave, or sonic wave interconnections | — | 1997-02-04 |