Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9002724 | Incentive provision system | Motoji Ohmori, Kazuhisa Watanabe, Wataru Ikeda, Masaya Yamamoto, Tomoyuki Okada | 2015-04-07 |
| 8132024 | Digital work protection system, recording apparatus, reproduction apparatus, and recording medium | Toshihisa Nakano, Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi, Shunji Harada +1 more | 2012-03-06 |
| 8048174 | Theft prevention system | Satomi Yamamichi, Keiko Yamamichi, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori +2 more | 2011-11-01 |
| 7929688 | Parameter generation apparatus, encryption system, decryption system, encryption apparatus, decryption apparatus, encryption method, decryption method, and program thereof | Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi | 2011-04-19 |
| 7823212 | Securely aggregating content on a storage device | Motoji Ohmori, Masaya Yamamoto, Yasushi Uesaka, Hiroshi Hamasaka | 2010-10-26 |
| 7813512 | Encrypted communication system and communication device | Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi | 2010-10-12 |
| 7773746 | Encryption system, encryption device, decryption device, program, and integrated circuit | Yuichi Futa, Motoji Ohmori | 2010-08-10 |
| 7702109 | Content recording/reproducing system, distribution device, reproducing device, and recording device | Yuichi Futa, Motoji Ohmori, Masaya Yamamoto, Makoto Tatebayashi | 2010-04-20 |
| 7693795 | Digital work protection system | Natsume Matsuzaki, Toshihisa Abe, Toshihisa Nakano, Masaya Miyazaki | 2010-04-06 |
| 7647343 | Information presentation system, management device, and terminal device | Motoji Ohmori, Masaya Yamamoto, Kazuhisa Watanabe, Atsushi Saso, Naoaki Yamamoto | 2010-01-12 |
| 7631361 | Content reproduction system | Satomi Yamamichi, Keiko Yamamichi, Motoji Ohmori, Masaya Yamamoto, Kazuhisa Watanabe +2 more | 2009-12-08 |
| 7603554 | Encryption communication system | Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi | 2009-10-13 |
| 7555129 | Content playback apparatus, content playback method, and program | Masaya Yamamoto, Motoji Ohmori, Kazuhisa Watanabe, Atsushi Saso, Naoaki Yamamoto | 2009-06-30 |
| RE40710 | Data converter for performing exponentiation in polynomial residue class ring with value in finite field as coefficient | Motoji Ohmori, Makoto Tatebayashi, Makoto Usui, Kaoru Yokota | 2009-05-12 |
| 7519685 | Contents linkage information delivery system | Masao Nonaka, Motoji Ohmori, Masaya Yamamoto, Wataru Ikeda, Masataka Minami +2 more | 2009-04-14 |
| 7471792 | Key agreement system, shared-key generation apparatus, and shared-key recovery apparatus | Motoji Ohmori, Makoto Tatebayashi, Yuichi Futa | 2008-12-30 |
| 7434898 | Computer system, computer program, and addition method | Yuichi Futa, Motoji Ohmori, Hiroyuki Shizuya, Masahiro Mambo | 2008-10-14 |
| 7394902 | Encryption apparatus, decryption apparatus and encryption system | Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi | 2008-07-01 |
| 7155610 | Cryptocommunication system, transmission apparatus, and reception apparatus | Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi | 2006-12-26 |
| 6995692 | Data converter and method thereof | Motoji Ohmori, Makoto Tatebayashi, Makoto Usui, Kaoru Yokota | 2006-02-07 |