Issued Patents All Time
Showing 151–175 of 202 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7398038 | Image forming apparatus using a toner container and a process cartridge | Kiyonori Tsuda, Hiroshi Hosokawa, Masanori Kawasumi, Satoshi Narumi, Ryuta Takeichi +1 more | 2008-07-08 |
| 7373101 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Yoshiki Hozumi, Toshio Koike, Ken Amemiya, Masanori Kawasumi, Tokuya Ojimi +5 more | 2008-05-13 |
| 7333744 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage | Eiji Shimojo, Haruji Mizuishi, Tokuya Ojimi, Masanori Kawasumi, Takuzi Yoneda +6 more | 2008-02-19 |
| 7321744 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Masanori Kawasumi +7 more | 2008-01-22 |
| 7316143 | Seamless steel tubes and method for producing the same | Kunio Kondo | 2008-01-08 |
| 7313347 | Cleaning device, process cartridge, image forming apparatus and toner | Takeshi Shintani, Takuzi Yoneda, Ken Amemiya, Takaaki Tawada, Tokuya Ojimi +12 more | 2007-12-25 |
| 7292817 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more | 2007-11-06 |
| 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, Takuzi Yoneda +4 more | 2007-11-06 |
| 7270864 | Optical information recording medium | Fumi Hara, Sachiko Ishibashi, Masashi Satoh, Toru Fujii | 2007-09-18 |
| 7245868 | Image forming apparatus and method of mounting and dismounting a waste toner bottle | — | 2007-07-17 |
| 7225868 | Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe | Kunio Kondo, Hisashi Amaya, Akihito Yamane | 2007-06-05 |
| 7212767 | Image forming apparatus and process cartridge removably mounted thereto | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Masanori Kawasumi +1 more | 2007-05-01 |
| 7184684 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more | 2007-02-27 |
| 7162189 | Method and apparatus of image forming and process cartridge included in the apparatus | Kiyonori Tsuda, Atsushi Sampe, Takeo Suda, Satoshi Hatori, Tomoji Ishikawa +1 more | 2007-01-09 |
| 7149465 | Cleaning unit, process cartridge, image forming apparatus, and toner | Ken Amemiya, Masato Yanagida, Naohiro Kumagai, Takeshi Shintani, Takaaki Tawada +8 more | 2006-12-12 |
| 7146122 | Image forming apparatus and image forming unit | Satoshi Hatori, Kiyonori Tsuda, Naoto Watanabe, Takeo Suda, Tomoji Ishikawa +1 more | 2006-12-05 |
| 7136610 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Atsushi Sampe, Kiyonori Tsuda, Takeo Suda, Satoshi Hatori, Tomoji Ishikawa +11 more | 2006-11-14 |
| 7082992 | Oil well steel pipe for embedding-expanding | Hisashi Amaya | 2006-08-01 |
| 7076192 | Powder conveying device and image forming apparatus using the same | Kiyonori Tsuda, Hiroshi Hosokawa, Satoshi Narumi, Ryuta Takeichi, Masanori Kawasumi +1 more | 2006-07-11 |
| 7072602 | Image forming apparatus and image forming unit | Satoshi Hatori, Kiyonori Tsuda, Naoto Watanabe, Takeo Suda, Tomoji Ishikawa +1 more | 2006-07-04 |
| 7062207 | Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder | Kiyonori Tsuda, Atsushi Sampe, Satoshi Hatori, Takeo Suda, Tomoji Ishikawa +1 more | 2006-06-13 |
| 7024133 | Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself | Hiroyuki Nagashima, Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa +7 more | 2006-04-04 |
| 7003255 | Image forming apparatus and process cartridge | Masanori Kawasumi, Kazuhiko Umemura, Satoshi Narumi, Hiroshi Hosokawa, Takeichi Ryuta +1 more | 2006-02-21 |
| 6975830 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more | 2005-12-13 |
| 6961530 | Recovered toner classifier capable of effectively removing foreign substance and crushing aggregation of toner | Satoshi Takano | 2005-11-01 |