Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463852 | Image forming apparatus having a developer conveying system and associated methodology | Keiichi Yoshida, Yoshio Hattori, Takatsugu Fujishiro, Shuji Tanaka | 2008-12-09 |
| 7391991 | Process cartridge and image forming apparatus | Takeo Suda, Takaaki Tawada, Choutaroh Kataoka | 2008-06-24 |
| 7315723 | Method and apparatus for image forming capable of effectively transporting toner | Takeo Suda, Keiichi Yoshida, Yoshio Hattori, Yutaka Takahashi | 2008-01-01 |
| 7292816 | Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus | Tokuya Ojimi, Toshio Koike, Takaaki Tawada, Takeshi Shintani, Yuji Arai +4 more | 2007-11-06 |
| 7209698 | Method and apparatus for image forming capable of using minuscule spherical particles of toner, a process cartridge in use for the apparatus and a toner used in the image forming for obtaining an image with a high thin line reproducibility | Takaaki Tawada, Takeo Suda, Chohtaroh Kataoka, Keiichi Yoshida, Haruji Mizuishi | 2007-04-24 |
| 7106991 | Process cartridge smoothly and stably attached to and detached from an image forming apparatus, and an image forming apparatus including the process cartridge | Hiroshi Hosokawa, Tetsuroh Miura, Takaaki Tawada, Yoshiyuki Kimura, Hideki Zemba | 2006-09-12 |
| 7035582 | Image forming apparatus and process cartridge including lubricant applying device that prevents waste of lubricant | Takeo Suda, Takaaki Tawada, Chohtaroh Kataoka | 2006-04-25 |
| 6961535 | Image forming apparatus | Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii, Yuji Arai +1 more | 2005-11-01 |
| 6895209 | Cleaning device and image forming apparatus using the same | Satoshi Takano, Hiroshi Saitoh, Toshihiro Sugiyama, Hirokazu Ishii, Yuji Arai | 2005-05-17 |
| 6813467 | Image forming apparatus | Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii, Yuji Arai +1 more | 2004-11-02 |
| 6807390 | Image forming apparatus | Takeo Suda, Masanori Kawasumi, Ken Amemiya, Hiroshi Ono, Hiroshi Mizusawa | 2004-10-19 |
| 6522855 | Image forming apparatus and developing apparatus preventing uneven image density | Shunji Katoh, Hideo Yoshizawa, Shinji Tamaki, Junichi Terai, Kiyonori Tsuda +3 more | 2003-02-18 |
| 6337957 | Image forming apparatus and developing device with improved self toner density control | Shinji Tamaki, Tsuyoshi Imamura, Hideo Yoshizawa, Junichi Terai, Masayuki Yamane +5 more | 2002-01-08 |
| 5909609 | Image forming apparatus with provisions for supplying toner therein | Masasumi Yahata, Shunji Kato, Yuji Kitajima, Satoshi Takano, Nobuo Kikuchi +1 more | 1999-06-01 |
| 5493365 | Operating section for an image forming apparatus | Hideaki Matsui, Nobuaki Tomidokoro, Shigeru Yoshiki, Shigeru Watanabe, Yasuhiro Kawashima +6 more | 1996-02-20 |
| 4988853 | Ticket checking/issuing apparatus in which friction holds a ticket while recording/reproducing data | Masayoshi Nagashima | 1991-01-29 |