Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7085528 | Cleaning unit, process cartridge, and image forming apparatus | Takeshi Shintani, Naohiro Kumagai, Masato Yanagida, Toshio Koike, Eisaku Murakami +2 more | 2006-08-01 |
| 7072602 | Image forming apparatus and image forming unit | Satoshi Hatori, Kiyonori Tsuda, Naoto Watanabe, Takeo Suda, Yuji Arai +1 more | 2006-07-04 |
| 7065316 | Cleaning unit, process cartridge, image forming apparatus, and toner | Masato Yanagida, Naohiro Kumagai, Toshio Koike, Takeshi Shintani, Masanori Kawasumi +3 more | 2006-06-20 |
| 7062207 | Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder | Kiyonori Tsuda, Satoshi Hatori, Yuji Arai, Takeo Suda, Tomoji Ishikawa +1 more | 2006-06-13 |
| 7062194 | Charging device, and process cartridge and image forming apparatus including the charging device | Masato Yanagida, Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Masanori Kawasumi +5 more | 2006-06-13 |
| 7050741 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Toshio Koike, Eisaku Murakami, Masato Yanagida, Takeshi Shintani, Naohiro Kumagai +4 more | 2006-05-23 |
| 7024133 | Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself | Hiroyuki Nagashima, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa, Hideki Zemba +7 more | 2006-04-04 |
| 6996354 | Image forming apparatus and image transferring unit for use in the same | Yoshiyuki Kimura, Takeshi Saito, Misao Tanzawa | 2006-02-07 |
| 6873814 | Developing device using a two-ingredient type developer and image forming apparatus including the same | Tokuya Ohjimi, Fumihiro Sasaki, Hiroto Higuchi, Maiko Kondo, Toshio Koike +4 more | 2005-03-29 |
| 6856774 | Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device | Takeyoshi Sekine, Masayuki Yamane, Tokuya Ohjimi, Junichi Sano, Toshio Koike +4 more | 2005-02-15 |
| 6601991 | Roller device for an image transferring device | — | 2003-08-05 |