Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457200 | Pressure-sensitive cleaning sheet, image-forming material having cleaning part, and method of cleaning image-forming apparatus | Naomitu Tanaka, Tatsuo Koyama | 2002-10-01 |
| 6362812 | Electronic device and display system employing the same | Tatsuya Shiraki | 2002-03-26 |