Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701556 | Thermal fixing device having temperature control | — | 1997-12-23 |
| 5640662 | Hot roller for thermal fixation device having elastomeric and anti-abrasive coverings | Keiko Tonai, Yoshihiro Tonomoto | 1997-06-17 |
| 5617192 | Multicolor electrostatic recording apparatus and electrostatic latent image recording apparatus used therefor | Yoshihiro Tonomoto, Kenji Fuke, Eiji Suzuki, Keiko Tonai, Shozo Tonai +4 more | 1997-04-01 |