Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598548 | Method for treating a plurality of magnetic recording media with ultraviolet rays | Takako Matsumoto, Kenji Hishinuma | 2013-12-03 |
| 8472856 | Image forming apparatus | Hiromichi Ninomiya, Hiroshi Mizusawa, Naohiro Kumagai, Hiroki Matsuura | 2013-06-25 |
| 8457541 | Image forming apparatus | Akio Kosuge, Shinichi Kawahara, Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita +1 more | 2013-06-04 |
| 8380115 | Lubricant applicator, image forming apparatus, and process cartridge | Takeshi Shintani, Daisuke Tomita, Satoshi Hatori, Nobuo Kuwabara, Akio Kosuge +1 more | 2013-02-19 |
| 8315535 | Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit | Takeshi Shintani, Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita, Akio Kosuge +3 more | 2012-11-20 |
| 8010034 | Waste toner conveying device and image forming apparatus | — | 2011-08-30 |
| 7289748 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, 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, Kazuhiko Yuuki, Akio Kosuge, 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, Kazuhiko Yuuki, Akio Kosuge, Yoshi Hattori +4 more | 2004-06-08 |
| 6603943 | Developing apparatus including first and second agitating members in which the first agitating member includes non-screw portion | Kazuhiko Yuuki | 2003-08-05 |
| 6567637 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshi Hattori +4 more | 2003-05-20 |
| 6519428 | Image forming apparatus having mixed toner consumption mode | Megumi Ohtoshi, Masumi Sato, Hitoshi Ishibashi | 2003-02-11 |
| 6366754 | Color image forming apparatus with toner recycling | Masumi Sato, Kazuhiko Yuuki, Hiroshi Yoshinaga, Atsushi Takehara | 2002-04-02 |
| 6334039 | Method and apparatus for image forming apparatus capable of accurately detecting toner image patterns | Hiroshi Yoshinaga, Masumi Sato, Kazuhiko Yuuki, Atsushi Takehara | 2001-12-25 |
| 6329189 | Enzyme producing tartaric acid ether compound and process for producing tartaric acid ether compounds using this enzyme | Emiko Kinoshita, Tetsuo Aishima | 2001-12-11 |