Issued Patents All Time
Showing 101–125 of 126 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39622 | System and method for authentication, and device and method for authentication | Susumu Kusakabe, Masayuki Takada | 2007-05-08 |
| 7185193 | Person authentication system, person authentication method, and program providing medium | Hideaki Watanabe, Shinako Matsuyama, Ichiro Futamura, Masashi Kon | 2007-02-27 |
| 7184986 | Content transaction system and method, and program providing medium therefor | Shinako Matsuyama, Hideaki Watanabe, Ichiro Futamura, Masashi Kon | 2007-02-27 |
| 7152158 | Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage medium | Hideaki Watanabe, Shinako Matsuyama, Ichiro Futamura, Masashi Kon, Makoto Oka | 2006-12-19 |
| 7149894 | Public-key certificate issuance request processing system and public-key certificate issuance request processing method | Ichiro Futamura, Shinako Matsuyama, Masashi Kon, Hideaki Watanabe | 2006-12-12 |
| 7127612 | Information processing apparatus, information processing method, information providing medium, information decryption apparatus, and information recording medium | — | 2006-10-24 |
| 7124317 | Information recording and playback system having a memory interface and method therefore | Kenji Yoshino, Toru Akishita, Taizo Shirai | 2006-10-17 |
| 7124436 | Security unit for use in memory card | Takumi Okaue, Yukihiro Sakamoto, Asami Mizuno, Nobuyuki Kihara, Teppei Yokota | 2006-10-17 |
| 7124443 | Information transaction system | Taizo Shirai | 2006-10-17 |
| 7103778 | Information processing apparatus, information processing method, and program providing medium | Masashi Kon, Shinako Matsuyama, Ichiro Futamura, Hideaki Watanabe | 2006-09-05 |
| 7099479 | Information transmission system, transmitter, and transmission method as well as information reception system, receiver and reception method | Tateo Oishi, Shinako Matsuyama, Tomoyuki Asano, Akihiro Muto, Jun Kitahara | 2006-08-29 |
| 7100044 | Public key certificate using system, public key certificate using method, information processing apparatus, and program providing medium | Hideaki Watanabe, Shinako Matsuyama, Ichiro Futamura, Masashi Kon | 2006-08-29 |
| 7099846 | Apparatus and system for providing fee-based content | Shinako Matsuyama, Tateo Oishi, Akihiro Muto | 2006-08-29 |
| 7096363 | Person identification certificate link system, information processing apparatus, information processing method, and program providing medium | Masashi Kon, Shinako Matsuyama, Ichiro Futamura, Hideaki Watanabe | 2006-08-22 |
| 7059516 | Person authentication system, person authentication method, information processing apparatus, and program providing medium | Shinako Matsuyama, Ichiro Futamura, Masashi Kon, Hideaki Watanabe | 2006-06-13 |
| 6990684 | Person authentication system, person authentication method and program providing medium | Ichiro Futamura, Shinako Matsuyama, Masashi Kon, Hideaki Watanabe | 2006-01-24 |
| 6990583 | Public-key-encryption data-communication system and data-communication-system forming method | Shinako Matsuyama, Ichiro Futamura, Masashi Kon, Hideaki Watanabe | 2006-01-24 |
| 6834333 | Data processing device, data storage device, data processing method, and program providing medium for storing content protected under high security management | Kenji Yoshino, Toru Akishita, Taizo Shirai, Takeshi Ito, Shigekazu Hayashi | 2004-12-21 |
| 6834346 | Content processing system | Tateo Oishi, Tomoyuki Asano, Yoshitomo Osawa | 2004-12-21 |
| 6820203 | Security unit for use in memory card | Takumi Okaue, Yukihiro Sakamoto, Asami Mizuno, Nobuyuki Kihara, Teppei Yokota | 2004-11-16 |
| 6728379 | Information processor and information processing method | Yoshitomo Osawa, Tateo Oishi, Tomoyuki Asano | 2004-04-27 |
| 6574611 | Information processing apparatus and method, information management apparatus and method, and information providing medium | Shinako Matsuyama | 2003-06-03 |
| 6522607 | Recording device and method, decoding device and method, providing medium, and information recording medium | Tomoyuki Asano, Izuru Kitamura, Jun Kitahara | 2003-02-18 |
| 6058477 | System and method for authentication, and device and method for authentication | Susumu Kusakabe, Masayuki Takada | 2000-05-02 |
| 5630064 | Data processing apparatus using reader/writer and data carrier | Masao Oba, Manabu Asakura | 1997-05-13 |