Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11516195 | Terminal device, key distribution management device, server-client system, communication method, and programs | Yuto KAWAHARA, Hitoshi Fuji, Tetsutaro Kobayashi, Reo Yoshida | 2022-11-29 |
| 11388001 | Encrypted communication device, encrypted communication system, encrypted communication method, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Hironobu Okuyama | 2022-07-12 |
| 10673629 | Data transmission and reception method and system | Reo Yoshida, Hitoshi Fuji, Tetsutaro Kobayashi, Yuto KAWAHARA | 2020-06-02 |
| 10630465 | Key exchange method, key exchange system, communication device and storage medium therefore | Tetsutaro Kobayashi, Reo Yoshida, Hitoshi Fuji, Yuto KAWAHARA, Kazuki Yoneyama | 2020-04-21 |
| 10355856 | Key exchange method, key exchange system, key distribution device, communication device, and program | Reo Yoshida, Hitoshi Fuji, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2019-07-16 |
| 10275960 | Security system, management apparatus, permission apparatus, terminal apparatus, security method and program | Hitoshi Fuji, Tetsutaro Kobayashi, Reo Yoshida | 2019-04-30 |
| 10033711 | Directory service device, client device, key cloud system, method thereof, and program | Go Yamamoto, Tetsutaro Kobayashi | 2018-07-24 |
| 9735963 | Decryption service providing device, processing device, safety evaluation device, program, and recording medium | Tetsutaro Kobayashi, Go Yamamoto, Hitoshi Fuji, Reo Yoshida | 2017-08-15 |
| 9693270 | Control device, control method, and communication system | Xiang Du, Tomonari Kagimoto, Tatsuya Yatsushiro, Yasushi Shigesada, Junji Satou | 2017-06-27 |
| 8614982 | Network apparatus, communication apparatus, communication control method, and communication control system | Hidetoshi Abeta, Kazuhiro Muraoka | 2013-12-24 |
| 7372760 | Semiconductor device and entry into test mode without use of unnecessary terminal | Yoshiaki Nagatomi, Kenichi Kawabata, Norihiro Nakatsuhama, Tetsuya Yoshida, Naoya Watanabe +1 more | 2008-05-13 |
| 7149830 | Semiconductor device and microcontroller | Norihiro Nakatsuhama, Yoshiaki Nagatomi, Kenichi Kawabata, Kenji Nakata, Hironori Aono +1 more | 2006-12-12 |