Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10025784 | Similarity determination apparatus, similarity determination method, and computer-readable recording medium | Fumihiko Kozakura | 2018-07-17 |
| 9760616 | Electronic mail creation recording medium, method, and information processing apparatus | Takeaki Terada, Satoru Torii, Masanobu Morinaga, Ikuya Morikawa, Hiroshi Tsuda | 2017-09-12 |
| 9749135 | Encrypting device, encrypting method, and recording medium | Jun Yajima, Masahiko Takenaka, Dai Yamamoto | 2017-08-29 |
| 9401805 | Encrypting device, encrypting method, and recording medium | Jun Yajima, Masahiko Takenaka, Dai Yamamoto | 2016-07-26 |
| 9330270 | Encryption processing device and authentication method | Takao Ochiai, Dai Yamamoto, Kazuyoshi Furukawa, Masahiko Takenaka | 2016-05-03 |
| 9166800 | Authentication method, authentication system, and authentication chip using common key cryptography | Masahiko Takenaka | 2015-10-20 |
| 9130745 | Encryption processing device and method | Dai Yamamoto, Masahiko Takenaka | 2015-09-08 |
| 9021001 | Individual-specific information generation apparatus and individual-specific information generation method | Dai Yamamoto, Masahiko Takenaka | 2015-04-28 |
| 9015218 | Random number generator, encryption device, and authentication device | Dai Yamamoto, Masahiko Takenaka | 2015-04-21 |
| 8891759 | Cryptographic processing device and cryptographic processing method | Dai Yamamoto, Masahiko Takenaka | 2014-11-18 |
| 8817973 | Encrypting method having countermeasure function against power analyzing attacks | — | 2014-08-26 |
| 8638927 | Cryptographic processing method, computer readable storage medium, and cryptographic processing device | Masahiko Takenaka | 2014-01-28 |
| 8619975 | Cipher processing apparatus | Dai Yamamoto, Jun Yajima | 2013-12-31 |
| 8422669 | Method and apparatus for elliptic curve cryptographic processing | Dai Yamamoto | 2013-04-16 |
| 8391477 | Cryptographic device having tamper resistance to power analysis attack | Tetsuya Izu, Masahiko Takenaka | 2013-03-05 |
| 8369516 | Encryption apparatus having common key encryption function and embedded apparatus | Souichi Okada, Masahiko Takenaka | 2013-02-05 |
| 8335313 | Encryption device, encryption method and storage medium storing its program | Jun Yajima, Dai Yamamoto | 2012-12-18 |
| 8327156 | Embedded device having countermeasure function against fault attack | Kazuyoshi Furukawa, Masahiko Takenaka | 2012-12-04 |
| 8295479 | Data conversion function processor | Dai Yamamoto, Jun Yajima | 2012-10-23 |
| 8280042 | Decryption processor and decryption processing method | — | 2012-10-02 |
| 8218762 | Encrypting apparatus for common key cipher | Souichi Okada, Masahiko Takenaka | 2012-07-10 |
| 8111827 | Cryptographic processing apparatus and cryptographic processing method | Dai Yamamoto | 2012-02-07 |
| 8085931 | Computation method, computing device and computer program | Kenji Mukaida | 2011-12-27 |
| 8021305 | Ultrasound probe, ultrasonograph, and ultrasonography | Tadashi Moriya, Takasuke Irie | 2011-09-20 |
| 7792893 | Device and method for calculating conversion parameter of montgomery modular multiplication and program therefor | Masahiko Takenaka, Naoya Torii | 2010-09-07 |