Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019239 | Device and method for detecting life of organic photoreceptor and image forming apparatus | Shinichi Akatsu, Tomohide Takenaka | 2011-09-13 |
| 8014706 | Developing device, process cartridge, and image forming apparatus | Yoshitaka Fujinuma, Susumu Tateyama, Tatsuya Kubo | 2011-09-06 |
| 8014202 | Non-volatile semiconductor memory device | Kazuyuki Kouno, Reiji Mochida, Hoshihide Haruyama | 2011-09-06 |
| 7924627 | Semiconductor memory device | Kazuyuki Kouno, Hoshihide Haruyama, Reiji Mochida | 2011-04-12 |
| 7925174 | Image forming apparatus | Shinichi Akatsu, Tomohide Takenaka, Takuma Higa | 2011-04-12 |
| 7904001 | Developing unit, process cartridge, and image forming apparatus having a plurality of conveyor members, a supply part, and a discharge part | Susumu Tateyama, Yoshitaka Fujinuma, Tatsuya Kubo | 2011-03-08 |
| 7826775 | Developing device and image forming apparatus | Yoshitaka Fujinuma, Susumu Tateyama, Tatsuya Kubo | 2010-11-02 |
| 7792466 | Image forming apparatus and developing device | Yoshitaka Fujinuma, Takashi Suzuki, Susumu Tateyama, Tsutomu Nakagawa, Tatsuya Kubo | 2010-09-07 |
| 7792465 | Developing device, process cartridge, and image forming apparatus | Tatsuya Kubo, Yoshitaka Fujinuma, Susumu Tateyama | 2010-09-07 |
| 7580657 | Developing device in image-forming device | Susumu Tateyama, Yoshitaka Fujinuma, Tsutomu Nakagawa | 2009-08-25 |
| 7561461 | Non-volatile semiconductor memory device | Hiroyasu Nagai | 2009-07-14 |
| 7502579 | Developing device using developer of particular properties suitable therefore | Hiroyuki Mabuchi, Hirobumi Ooyoshi | 2009-03-10 |
| 7420844 | Non-volatile semiconductor memory device | Junichi Kato, Akira Sugimoto, Norio Hattori | 2008-09-02 |
| 7339823 | Nonvolatile semiconductor storage apparatus and method of driving the same | Asako Miyoshi, Seiji Yamahira | 2008-03-04 |
| 7161832 | Non-volatile semiconductor memory device | Junichi Kato, Takao Ozeki, Asako Miyoshi, Shinichi Hatakeyama | 2007-01-09 |
| 7106983 | Color image forming apparatus | Teruaki Mitsuya, Hisao Okada, Keisuke Kubota, Takashi Rokutanda | 2006-09-12 |
| 7075912 | Wireless communication system using access points that can be freely set up by users | Hirohito Suda, Katsutoshi Nidaira, Shuichi Yoshino, Masahiro Umehira, Eisuke Kudo +1 more | 2006-07-11 |
| 6954604 | Electronic photographing apparatus | Hisao Okada | 2005-10-11 |
| 4374793 | Method of producing dense sintered silicon carbide body from polycarbosilane | Kazunori Koga, Saburo Nagano, Shinichiro Mizuta | 1983-02-22 |