Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7062185 | Image forming apparatus, image processing unit, and image forming method to keep image quality precision of both sides of recording medium, and computer product | Manabu Izumikawa, Yukio Tagawa, Takashi Enami, Tatsuo Hirono, Kohichi Kanaya +5 more | 2006-06-13 |
| 7016636 | Double-sided image forming apparatus and method | Takamasa Hayashi, Kohichi Kanaya, Jun Sasaki, Tatsuo Hirono, Yukio Tagawa | 2006-03-21 |
| 6172699 | Thermal printing system having function for preventing over heating of thermal head | — | 2001-01-09 |
| 5986684 | Thermal printing system having function for preventing over heating of thermal head | — | 1999-11-16 |
| 5208607 | Thermal recording method using drive signal pulse widths changed at time intervals within thermal head temperature measuring time intervals | Takahiko Tokumasu | 1993-05-04 |
| 5175760 | Communication apparatus having data transfer function | Hiroyuki Kudose | 1992-12-29 |
| 4533972 | Electronic switching device having reduced power consumption | — | 1985-08-06 |
| 4309623 | Power source device for electronic counting system | Katsumi Iwatani | 1982-01-05 |