Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677775 | Image forming apparatus provided with a device for controlling communication with a central supervisory apparatus | Ikunori Yamaguchi, Sumiaki Hirata | 1997-10-14 |
| 5666621 | Sheet separation device, sheet separation method, image forming apparatus and image forming method | Masato Yasui | 1997-09-09 |
| 5631724 | Centralized control system for terminal device | Yoji Sawada, Toru Kirimura, Seiji Watanabe, Sumiaki Hirata | 1997-05-20 |