Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12034862 | Anonymous broadcast method, key exchange method, anonymous broadcast system, key exchange system, communication device, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2024-07-09 |
| 11985250 | Anonymous broadcast method, key exchange method, anonymous broadcast system, key exchange system, communication device, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2024-05-14 |
| 11880489 | Secret statistical processing systems, methods, statistical processing apparatus and program | Satoshi Tanaka, Asami MIYAJIMA, Gen Takahashi, Dai Ikarashi, Koki Hamada +1 more | 2024-01-23 |
| 11677543 | Key exchange method and key exchange system | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2023-06-13 |
| 11516195 | Terminal device, key distribution management device, server-client system, communication method, and programs | Yuto KAWAHARA, Tetsutaro Kobayashi, Reo Yoshida, Tomohide Yamamoto | 2022-11-29 |
| 11451518 | Communication device, server device, concealed communication system, methods for the same, and program | Tetsutaro Kobayashi, Yuto KAWAHARA, Reo Yoshida, Kazuki Yoneyama | 2022-09-20 |
| 11336436 | Key distribution system and method, key generation apparatus, representative user terminal, server apparatus, user terminal, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2022-05-17 |
| 11258588 | Key exchange method and key exchange system | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2022-02-22 |
| 10979411 | Authentication control system, server apparatus, client apparatus, authentication control method, authentication method, and program | Tetsutaro Kobayashi, Akira Nagai, Go Yamamoto | 2021-04-13 |
| 10673629 | Data transmission and reception method and system | Reo Yoshida, Tetsutaro Kobayashi, Tomohide Yamamoto, Yuto KAWAHARA | 2020-06-02 |
| 10630465 | Key exchange method, key exchange system, communication device and storage medium therefore | Tetsutaro Kobayashi, Reo Yoshida, Tomohide Yamamoto, Yuto KAWAHARA, Kazuki Yoneyama | 2020-04-21 |
| 10546140 | Leakage prevention apparatus, leakage prevention method and program | Reo Yoshida, Tetsutaro Kobayashi, Junya Akiba, Tomoaki WASHIO, Tsuyoshi Miyamoto | 2020-01-28 |
| 10355856 | Key exchange method, key exchange system, key distribution device, communication device, and program | Reo Yoshida, Tetsutaro Kobayashi, Tomohide Yamamoto, Yuto KAWAHARA, Kazuki Yoneyama | 2019-07-16 |
| 10275960 | Security system, management apparatus, permission apparatus, terminal apparatus, security method and program | Tomohide Yamamoto, Tetsutaro Kobayashi, Reo Yoshida | 2019-04-30 |
| 10218495 | Secure computation method, secure computation system, secure computation server, registrant terminal, user terminal and program | Teruko Miyata, Hiroyoshi TAKIGUCHI, Naoto Kiribuchi, Koji Chida, Dai Ikarashi +2 more | 2019-02-26 |
| 9735963 | Decryption service providing device, processing device, safety evaluation device, program, and recording medium | Tetsutaro Kobayashi, Go Yamamoto, Tomohide Yamamoto, Reo Yoshida | 2017-08-15 |
| 7636942 | Method and system for detecting denial-of-service attack | Masaki Hamada, Makoto IWAMURA | 2009-12-22 |
| 7188366 | Distributed denial of service attack defense method and device | Eric Chen | 2007-03-06 |