Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10686768 | Apparatus and method for controlling profile data delivery | Junji Takagi, Ikuya Morikawa, Takao Ogura, Dai Yamamoto, Naoya Torii | 2020-06-16 |
| 10425227 | Computer-readable recording medium, shared key generation method, and information processing terminal | Ikuya Morikawa, Masahiko Takenaka | 2019-09-24 |
| 10419430 | Mutual authentication method and authentication apparatus | Ikuya Morikawa, Masahiko Takenaka | 2019-09-17 |
| 10171459 | Method of processing a ciphertext, apparatus, and storage medium | Ikuya Morikawa | 2019-01-01 |
| 9860060 | Information processing method, computer-readable recording medium, and information processing apparatus | Masahiko Takenaka, Masaya Yasuda | 2018-01-02 |
| 9760717 | Communication device, system, and control method | Tetsuya Izu, Yoshinobu Shimokawa, Tadashige Iwao | 2017-09-12 |
| 9712499 | Method and apparatus for cryptographic processing | Tetsuya Izu, Masahiko Takenaka | 2017-07-18 |
| 9614665 | Encryption processing method, encryption processing device, and computer-readable recording medium storing program for encryption processing | Masahiko Takenaka, Masaya Yasuda | 2017-04-04 |
| 9614822 | Node device, communication method and network system | Tetsuya Izu | 2017-04-04 |
| 9510216 | Node device and communication control method | Tetsuya Izu, Kazuyoshi Furukawa, Hisashi Kojima, Masahiko Takenaka | 2016-11-29 |
| 9489501 | Authentication method, authentication device, and system | Tetsuya Izu | 2016-11-08 |
| 9386017 | Authentication device, system and method | Tetsuya Izu, Masahiko Takenaka, Masaya Yasuda | 2016-07-05 |
| 8625777 | Pairing computation device, pairing computation method, and pairing computation program | Yasuyuki Nogami, Masataka Akane, Yoshitaka Morikawa | 2014-01-07 |
| 8477934 | Pairing computation device, pairing computation method and recording medium storing pairing computation program | Yasuyuki Nogami, Hiroaki Nasu, Yoshitaka Morikawa | 2013-07-02 |
| 8374342 | Scalar multiplier and scalar multiplication program | Yasuyuki Nogami, Yoshitaka Morikawa | 2013-02-12 |