Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396319 | Cleaning device for an image forming apparatus | Makoto Arai, Masato Yanagida, Toshitaka Yamaguchi, Hiroshi Ono | 1995-03-07 |
| 5258248 | Image density control method for an image forming apparatus | Moriyuki Koike, Wataru Yasuda, Kouji Ishigaki, Takashi Bisaiji, Chikara Imai | 1993-11-02 |
| 5028960 | Image density control method for an image forming apparatus | Wataru Yasuda, Moriyuki Koike, Kouji Ishigaki, Yoshihiro Abe | 1991-07-02 |