Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8166555 | Content reproducing device and content preproducing method | Ryuichi Okamoto, Tohru Nakahara, Masaya Yamamoto, Masaki Igarashi, Katsumi Tokuda | 2012-04-24 |
| 8073939 | License information exchange system | Masaya Yamamoto, Masahiro Oho | 2011-12-06 |
| 8010688 | Content use management system, content use management method, and client device | Sen'ichi Onoda, Katsumi Tokuda, Motoji Ohmori, Hiroki Murakami | 2011-08-30 |
| 7984508 | Contents using device, and contents using method | Tohru Nakahara, Masaki Igarashi, Ryuichi Okamoto, Katsumi Tokuda | 2011-07-19 |
| 7725399 | Content usage device and network system, and license information acquisition method | Tohru Nakahara, Masanori Nakanishi, Yasushi Uesaka, Akio Higashi, Takaaki Namba | 2010-05-25 |
| 7694149 | Method for judging use permission of information and content distribution system using the method | Satoshi Niwano, Katsumi Tokuda | 2010-04-06 |
| 7680808 | Transmission apparatus, content reproduction apparatus, and content and license distribution system | Sen'ichi Onoda, Ryuichi Okamoto | 2010-03-16 |
| 7620811 | Server device and program management system | Takuji Maeda, Katsumi Tokuda, Shinji Inoue | 2009-11-17 |
| 7451202 | Information management system having a common management server for establishing secure communication among groups formed out of a plurality of terminals | Tohru Nakahara, Takuji Hiramoto, Masaya Yamamoto, Mitsuhiro Inoue | 2008-11-11 |
| 7395245 | Content usage management system and server used in the system | Ryuichi Okamoto, Katsumi Tokuda | 2008-07-01 |
| 7359883 | License management system, license management device, relay device and terminal device | Takaaki Namba, Takashi Matsuo, Akio Higashi, Tohru Nakahara, Hiroki Murakami +2 more | 2008-04-15 |
| 7290047 | License information exchange system | Masaya Yamamoto, Masahiro Oho | 2007-10-30 |
| 7260720 | Device authentication system and method for determining whether a plurality of devices belong to a group | Masaya Yamamoto, Tohru Nakahara | 2007-08-21 |
| 7079497 | Method for receiving information, apparatus for receiving information and medium | Takeshi Imanaka, Hidemi Henmi, Satoshi Matsuura, Jun Ozawa | 2006-07-18 |
| 7072877 | Fuzzy inference method and machine, and an image production method and system | Hiroshi Kutsumi, Jun Ozawa, Satoshi Matsuura, Takeshi Imanaka | 2006-07-04 |
| 7010533 | E-mail preparation device, terminal device, information forwarding system, and program recording medium | Hiroshi Kutsumi, Takeshi Imanaka, Shouichi Araki, Tadashi Ano, Chikako Tada | 2006-03-07 |
| 6947685 | Process cartridge and electrophotographic image forming apparatus | Takeshi Arimitsu, Jun Miyamoto, Hideki Maeshima | 2005-09-20 |
| 6546151 | Information processing apparatus and information equipment using the information processing apparatus | Shoichi Araki, Satoshi Matsuura, Takeshi Imanaka, Hiroshi Kutsumi | 2003-04-08 |
| 6539365 | Fuzzy inference method and machine | Hiroshi Kutsumi, Jun Ozawa, Satoshi Matsuura, Takeshi Imanaka | 2003-03-25 |
| 6483848 | Method for receiving information, apparatus for receiving information and medium | Takeshi Imanaka, Hidemi Henmi, Satoshi Matsuura, Jun Ozawa | 2002-11-19 |
| 6351620 | Process cartridge having guide projections and image forming apparatus using same | Shigeo Miyabe, Takeshi Arimitsu | 2002-02-26 |
| 6317572 | Electrophotographic image forming apparatus and process cartridge detachably mountable thereto comprising a positioning portion for engagement with a positioning member of a main assembly of the image forming apparatus | Shigeo Miyabe | 2001-11-13 |
| 6314255 | Developing frame for connection with a toner frame wherein a toner application roller crosses a connecting surface of the frames | Kanji Yokomori, Kazuhiko Kanno | 2001-11-06 |
| 6167219 | Grounding member, flange, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Jun Miyamoto, Shigeo Miyabe | 2000-12-26 |
| 6070029 | Coupling member, process cartridge, electrophotographic image forming apparatus and assembling method | Tsutomu Nishiuwatoko, Kazuhiko Kanno | 2000-05-30 |