Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800771 | Digital copying machine, image formation system, and digital copying machine as slave machine | Hiroshi Mori, Hisashi Ishiguro | 2010-09-21 |
| 7728997 | Digital copying machine, image formation system, and digital copying machine as slave machine | Hiroshi Mori, Hisashi Ishiguro | 2010-06-01 |
| 7167256 | Digital copying machine image formation system, and digital copying machine as slave machine | Hiroshi Mori, Hisashi Ishiguro | 2007-01-23 |
| 6226102 | Image forming apparatus which forms an image based on stored image data | Takahiko Uno, Tsuyoshi Endoh, Hisashi Ishiguro, Kouichi Kanaya, Hiroyasu Sumida +6 more | 2001-05-01 |
| 5987227 | Image forming apparatus and method for detecting and eliminating avoidable image reading operations | Tsuyoshi Endo, Hiroyasu Sumida, Toshiya Tagawa, Kouichi Kanaya, Hiroshi Mori +6 more | 1999-11-16 |
| 5258248 | Image density control method for an image forming apparatus | Masaki Tokuhashi, Wataru Yasuda, Kouji Ishigaki, Takashi Bisaiji, Chikara Imai | 1993-11-02 |
| 5105218 | Method of resetting toner shortage of an image forming apparatus | Takashi Ikeda | 1992-04-14 |
| 5028960 | Image density control method for an image forming apparatus | Wataru Yasuda, Masaki Tokuhashi, Kouji Ishigaki, Yoshihiro Abe | 1991-07-02 |