Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681493 | Multi-level energy saving temperature controller for image forming fixing unit | Ken Yoshizuka, Tsukasa Sugiyama | 1997-10-28 |
| 5602628 | Image forming apparatus with automatic voltage control | Tsukasa Sugiyama | 1997-02-11 |