Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041268 | Developing device, process cartridge, and image forming apparatus | Tomoko Takahashi, Yasuyuki Ishii, Yoshinori Nakagawa, Masaaki Yamada, Ichiroh Kadota | 2011-10-18 |
| 8041267 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Yasuyuki Ishii, Masaaki Yamada, Tomoko Takahashi, Ichiro Kadota | 2011-10-18 |
| 8005409 | Development device | Yasuyuki Ishii, Tomoko Takahashi, Yoshinori Nakagawa, Masaaki Yamada, Ichiro Kadota | 2011-08-23 |
| 7920812 | Development device and image forming apparatus that uses this device | Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Ichiro Kadota, Yoshinori Nakagawa | 2011-04-05 |
| 7912410 | Developing device, a process cartridge and an image forming apparatus including a toner carrier and a voltage supply | Tomoko Takahashi, Yasuyuki Ishii, Ichiro Kadota, Masaaki Yamada, Yoshinori Nakagawa | 2011-03-22 |
| 7907856 | Development apparatus and image forming apparatus using toner carrier with a plurality of electrodes | Takeo Tsukamoto, Nobuaki Kondoh, Masanori Horike, Tomoko Takahashi, Masaaki Yamada +3 more | 2011-03-15 |
| 7783235 | Hopping toner development apparatus and image formation apparatus | Takeo Tsukamoto, Nobuaki Kondoh, Masanori Horike, Tomoko Takahashi, Masaaki Yamada +3 more | 2010-08-24 |
| 7734233 | Development device, process cartridge, and image forming apparatus | Katsuhiro Aoki, Hideki Zemba, Tomoko Takahashi, Nobuaki Kondoh, Masanori Horike +5 more | 2010-06-08 |
| 7724394 | Image forming apparatus and image forming method using pseudo half tone processing with different resolutions | Kei Yasutomi, Jun Yura, Hirokatsu Suzuki, Kohichi Katoh, Hiroshi Nakai +2 more | 2010-05-25 |
| 7725056 | Triboelectric charging device and field assisted toner transporter | Ichiro Kadota, Kazumi Suzuki, Takeo Tsukamoto | 2010-05-25 |
| 7702265 | Developing unit and image forming apparatus | Yasuyuki Ishii, Takeo Tsukamoto | 2010-04-20 |
| 7693471 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Hisashi Kikuchi, Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba +4 more | 2010-04-06 |
| 7693466 | Method for arranging image forming sections | Katsuaki Miyawaki, Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai +1 more | 2010-04-06 |
| 7620336 | Apparatus and method for fixing an image | Jun Yura, Koichi Kato, Hiroshi Nakai, Kazumi Suzuki, Kei Yasutomi +2 more | 2009-11-17 |
| 7613419 | Image forming apparatus and image forming method characterized by a particular nip time | Kazumi Suzuki, Takashi Fujita, Ichiro Kadota, Atsushi Nakafuji, Hiromitsu Takagaki | 2009-11-03 |
| 7412190 | Developing apparatus, process cartridge, and image forming apparatus | Ichiro Kadota, Kazumi Suzuki, Keisuke Uchida | 2008-08-12 |
| 7346305 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Hisashi Kikuchi, Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba +4 more | 2008-03-18 |
| 7343126 | Image forming apparatus including a transfer belt having image forming units disposed thereabout | Katsuaki Miyawaki, Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai +1 more | 2008-03-11 |
| 7224928 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Hisashi Kikuchi, Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba +4 more | 2007-05-29 |
| 7212753 | Image forming apparatus and process cartridge | Hirokatsu Suzuki, Hiroshi Nakai, Ichiro Kadota, Jun Yura, Koichi Katoh +2 more | 2007-05-01 |
| 7203452 | Tandem image forming device having a side-by-side arrangement of image forming sections | Katsuaki Miyawaki, Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai +1 more | 2007-04-10 |
| 7155152 | Method of image transfer, method of and apparatus for image forming | Sadayuki Iwai, Tomoko Takahashi, Ayako Iino, Yoshinori Nakagawa | 2006-12-26 |
| 6947682 | Image forming apparatus for reducing toner scatter | Sadayuki Iwai, Tomoko Takahashi, Masako Yoshii, Ayako Iino | 2005-09-20 |
| 6795676 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Hisashi Kikuchi, Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba +4 more | 2004-09-21 |
| 6757512 | Tandem image forming device, image forming apparatus and method for using the same | Katsuaki Miyawaki, Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai +1 more | 2004-06-29 |