Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640662 | Hot roller for thermal fixation device having elastomeric and anti-abrasive coverings | Katsumi Sugimoto, Keiko Tonai | 1997-06-17 |
| 5617192 | Multicolor electrostatic recording apparatus and electrostatic latent image recording apparatus used therefor | Kenji Fuke, Katsumi Sugimoto, Eiji Suzuki, Keiko Tonai, Shozo Tonai +4 more | 1997-04-01 |