Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7644443 | Content distribution system, content distribution method, information processing apparatus, and program providing medium | Shinako Matsuyama, Yoshihito Ishibashi, Masashi Kon, Hideaki Watanabe | 2010-01-05 |
| 7516493 | Content distribution system, content distribution method, information processing apparatus, and program providing medium | Shinako Matsuyama, Yoshihito Ishibashi, Masashi Kon, Hideaki Watanabe | 2009-04-07 |
| 7484246 | Content distribution system, content distribution method, information processing apparatus, and program providing medium | Shinako Matsuyama, Yoshihito Ishibashi, Masashi Kon, Hideaki Watanabe | 2009-01-27 |
| 7310732 | Content distribution system authenticating a user based on an identification certificate identified in a secure container | Shinako Matsuyama, Yoshihito Ishibashi, Masashi Kon, Hideaki Watanabe | 2007-12-18 |
| 7287158 | Person authentication system, person authentication method, information processing apparatus, and program providing medium | Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon, Hideaki Watanabe | 2007-10-23 |
| 7243238 | Person authentication system, person authentication method, information processing apparatus, and program providing medium | Hideaki Watanabe, Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon | 2007-07-10 |
| 7185193 | Person authentication system, person authentication method, and program providing medium | Hideaki Watanabe, Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon | 2007-02-27 |
| 7184986 | Content transaction system and method, and program providing medium therefor | Yoshihito Ishibashi, Shinako Matsuyama, Hideaki Watanabe, 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, Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon, Makoto Oka | 2006-12-19 |
| 7149894 | Public-key certificate issuance request processing system and public-key certificate issuance request processing method | Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon, Hideaki Watanabe | 2006-12-12 |
| 7103778 | Information processing apparatus, information processing method, and program providing medium | Masashi Kon, Yoshihito Ishibashi, Shinako Matsuyama, Hideaki Watanabe | 2006-09-05 |
| 7100044 | Public key certificate using system, public key certificate using method, information processing apparatus, and program providing medium | Hideaki Watanabe, Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon | 2006-08-29 |
| 7096363 | Person identification certificate link system, information processing apparatus, information processing method, and program providing medium | Masashi Kon, Yoshihito Ishibashi, Shinako Matsuyama, Hideaki Watanabe | 2006-08-22 |
| 7059516 | Person authentication system, person authentication method, information processing apparatus, and program providing medium | Shinako Matsuyama, Yoshihito Ishibashi, Masashi Kon, Hideaki Watanabe | 2006-06-13 |
| 6990684 | Person authentication system, person authentication method and program providing medium | Yoshihito Ishibashi, Shinako Matsuyama, Masashi Kon, Hideaki Watanabe | 2006-01-24 |
| 6990583 | Public-key-encryption data-communication system and data-communication-system forming method | Shinako Matsuyama, Yoshihito Ishibashi, Masashi Kon, Hideaki Watanabe | 2006-01-24 |