Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778786 | Toner replenishing container | Kouichi Aritomo, Chujiro Yokoyama | 2004-08-17 |
| D451949 | Toner bottle | Kouichi Aritomo, Chujirou Yokoyama | 2001-12-11 |
| 5619308 | Electrophotographic image forming apparatus adjusting image forming means based on surface voltage of photoconductor | Naoyoshi Kinoshita, Hideaki Kodama | 1997-04-08 |
| 5539500 | Image forming apparatus with humidity controlling device | Suguru Hamamichi, Naoyoshi Kinoshita, Takanobu Yamada, Hideo Kitakubo | 1996-07-23 |
| 5499079 | Image density control apparatus and method for controlling image density on a photoconductor surface | Takanobu Yamada | 1996-03-12 |
| 5404203 | Image forming apparatus including image forming condition correction arrangement and method for correcting image forming condition in image forming apparatus | Takanobu Yamada | 1995-04-04 |
| 5305057 | Image forming apparatus having correction means for modifying image density signals according to a gradation correction table | Yoshihiro Hattori, Suguru Hamamichi, Hideaki Kodama, Yoshikazu Naito | 1994-04-19 |
| 5274424 | Image forming apparatus controlled according to smallest non-zero toner density | Yoshihiro Hattori, Hideaki Kodama, Suguru Hamamichi | 1993-12-28 |
| 4958191 | Developing device | Takanobu Yamada, Noboyuki Kawai | 1990-09-18 |