Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328397 | Memory processing apparatus, memory verification apparatus, memory updating apparatus, memory protection system, method, and computer readable medium | Akiko Mukai, Naofumi Homma, Rei Ueno | 2025-06-10 |
| 11824993 | MAC tag list generation apparatus, MAC tag list verification apparatus, method, and program | Norifumi Kamiya | 2023-11-21 |
| 11750398 | MAC tag list generation apparatus, MAC tag list verification apparatus, aggregate MAC verification system and method | Norifumi Kamiya | 2023-09-05 |
| 11728968 | Authenticated encryption device, authenticated decryption device, authenticated encryption method, authenticated decryption method, authenticated encryption program, and authenticated decryption program | Akiko Inoue | 2023-08-15 |
| 11579845 | Random number generation device, random number generation method, encryption device, and non-transitory recording medium | Yuki Tanaka, Kentarou SASAKI | 2023-02-14 |
| 11463235 | Encryption device, encryption method, program, decryption device, and decryption method | — | 2022-10-04 |
| 11336456 | Message authentication system, apparatus, and message verification method | — | 2022-05-17 |
| 11327719 | Random number generation method selecting system, random number generation method selecting method, and random number generation method selecting program | Yuki Tanaka | 2022-05-10 |
| 11257399 | Decoding apparatus, decoding method, and program | Yuki Tanaka, Isamu Teranishi | 2022-02-22 |
| 11251965 | Authentication tag generation apparatus, authentication tag verification apparatus, method and program | — | 2022-02-15 |
| 11216533 | Inverse-image sampling device, inverse-image sampling method, and inverse-image sampling program | Yuki Tanaka | 2022-01-04 |
| 10623176 | Authentication encryption method, authentication decryption method, and information-processing device | — | 2020-04-14 |
| 10355862 | MAC tag list generating apparatus, MAC tag list verifying apparatus, MAC tag list generating method, MAC tag list verifying method and program recording medium | — | 2019-07-16 |
| 10341088 | Authentic encryption device, authenticated encryption method, and program for authenticated encryption | — | 2019-07-02 |
| 9787475 | Device, method, and program for message authentication tag generation | — | 2017-10-10 |
| 9515830 | Universal hash function computing device, method and program | — | 2016-12-06 |
| 9432181 | Device, method, and program for format-preserving encryption, and device, method, and program for decryption | — | 2016-08-30 |
| 8891758 | Block encryption device and method and computer program | — | 2014-11-18 |
| 8891761 | Block encryption device, decryption device, encrypting method, decrypting method and program | — | 2014-11-18 |
| 8589688 | Message authentication device, message authentication method, message authentication program and storage medium therefor | — | 2013-11-19 |
| 8577032 | Common key block encryption device, common key block encryption method, and program | — | 2013-11-05 |
| 8543820 | Tag generation apparatus, tag verification apparatus, communication system, tag generation method, tag verification method, and recording medium | — | 2013-09-24 |
| 8526602 | Adjustment-value-attached block cipher apparatus, cipher generation method and recording medium | — | 2013-09-03 |
| 8189770 | Tweakable block encryption apparatus, method, and program | — | 2012-05-29 |
| 6700993 | System and method for on-line digital watermark detection | — | 2004-03-02 |