Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa +7 more | 2006-04-04 |
| 7003255 | Image forming apparatus and process cartridge | Kazuhiko Umemura, Satoshi Narumi, Hiroshi Hosokawa, Takeichi Ryuta, Kiyonori Tsuda +1 more | 2006-02-21 |
| 6807390 | Image forming apparatus | Takeo Suda, Shinichi Kawahara, Ken Amemiya, Hiroshi Ono, Hiroshi Mizusawa | 2004-10-19 |
| 6807395 | Computer assisted learning system, storage server used for computer assisted learning system and computer readable media recording program used in storage server | Ryuji Iwazaki, Hiroshi Yamamoto, Yuki Kamata, Tatsuya Haraguchi, Shuichi Tsujimoto | 2004-10-19 |
| 5543224 | High molecular electret film | Toshihisa Sakai | 1996-08-06 |