Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289748 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2007-10-30 |
| 7218880 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2007-05-15 |
| 6748190 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2004-06-08 |
| 6690896 | Image forming apparatus, replacement assembly for image forming apparatus and integrated circuit chip therefor | Motonori Hanada, Jun Hosokawa, Kouta Fujimori | 2004-02-10 |
| 6603943 | Developing apparatus including first and second agitating members in which the first agitating member includes non-screw portion | Yoshinori Ozawa | 2003-08-05 |
| 6567637 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2003-05-20 |
| 6366754 | Color image forming apparatus with toner recycling | Masumi Sato, Hiroshi Yoshinaga, Yoshinori Ozawa, Atsushi Takehara | 2002-04-02 |
| 6334039 | Method and apparatus for image forming apparatus capable of accurately detecting toner image patterns | Hiroshi Yoshinaga, Masumi Sato, Yoshinori Ozawa, Atsushi Takehara | 2001-12-25 |
| 6141521 | Image forming device and method therefor | Shinji Tamaki, Manabu Mochizuki, Takeshi Saitoh | 2000-10-31 |
| 6101361 | Image forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrier | Kenji Karashima, Kohichi Yamazaki, Kentaro Matsumoto, Manabu Mochizuki, Noriyuki Usui +2 more | 2000-08-08 |
| 5884134 | Image forming apparatus with a device to increase contact area between a transfer sheet and an image carrier | Kenji Karashima, Kohichi Yamazaki, Kentaro Matsumoto, Manabu Mochizuki, Noriyuki Usui +2 more | 1999-03-16 |