Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10819608 | Information communication system, information communication method, and server | Takashi Kawauchi, Eriko Ando, Takayuki Suzuki, Chinatsu SATO | 2020-10-27 |
| 8413214 | Terminal system for guaranteeing authenticity, terminal, and terminal management server | Takatoshi Kato, Katsuyuki Umezawa, Makoto Kayashima, Masaya Umemura | 2013-04-02 |
| 8341703 | Authentication coordination system, terminal apparatus, storage medium, authentication coordination method, and authentication coordination program | Katsuyuki Umezawa, Katsuya Terada, Yoshiaki Yamaguchi | 2012-12-25 |
| 7996911 | Memory card | Satoshi Yoshida, Kunihiro Katayama, Masaharu Ukeda | 2011-08-09 |
| 7418602 | Memory card | Satoshi Yoshida, Kunihiro Katayama, Masaharu Ukeda | 2008-08-26 |
| 6230971 | Transaction-oriented electronic accommodation system | Kenji Matsumoto, Shigeyuki Itoh, Misuzu Nakano, Masaaki Hiroya | 2001-05-15 |
| 6116506 | Transaction-oriented electronic accommodation system | Kenji Matsumoto, Shigeyuki Itoh, Misuzu Nakano, Masaaki Hiroya | 2000-09-12 |
| 5987438 | Electronic wallet system | Misuzu Nakano, Shigeyuki Itoh, Kenji Matsumoto | 1999-11-16 |