Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11153068 | Encryption device, encryption method, decryption device and decryption method | Takanori Isobe, Harunaga Hiwatari | 2021-10-19 |
| 10425226 | Encryption processing device and encryption processing method | Takanori Isobe | 2019-09-24 |
| 10341090 | Cipher processing apparatus and cipher processing method | Takanori Isobe | 2019-07-02 |
| 10205589 | Encryption processing device and encryption processing method | Takanori Isobe | 2019-02-12 |
| 9418245 | Encryption processing device, encryption processing method, and program | Toru Akishita, Takanori Isobe, Taizo Shirai, Harunaga Hiwatari, Atsushi Mitsuda | 2016-08-16 |
| 9363074 | Encryption processing apparatus, encryption processing method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2016-06-07 |
| 9270458 | Encryption processing device, encryption processing method, and program | Atsushi Mitsuda, Toru Akishita, Takanori Isobe, Taizo Shirai, Harunaga Hiwatari | 2016-02-23 |
| 9083506 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai | 2015-07-14 |
| 9083507 | Data processing device, data processing method, and program | Toru Akishita, Takanori Isobe, Taizo Shirai, Harunaga Hiwatari, Atsushi Mitsuda | 2015-07-14 |
| 8983062 | Encryption processing device, encryption processing method, and programme | Toru Akishita, Takanori Isobe, Taizo Shirai, Harunaga Hiwatari, Atsushi Mitsuda | 2015-03-17 |
| 8843457 | Data conversion device, data conversion method, and program | Taizo Shirai, Shiho Moriai, Toru Akishita, Tetsu Iwata | 2014-09-23 |
| 8824671 | Data converter, data conversion method, and computer program | Taizo Shirai, Shiho Moriai, Toru Akishita, Tetsu Iwata | 2014-09-02 |
| 8787563 | Data converter, data conversion method and program | Taizo Shirai, Shiho Moriai, Toru Akishita, Tetsu Iwata | 2014-07-22 |
| 8787568 | Data transformation apparatus, data transformation method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2014-07-22 |
| 8737603 | Cryptographic processing apparatus, cryptographic processing method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2014-05-27 |
| 8731188 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2014-05-20 |
| 8666069 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai | 2014-03-04 |
| 8577023 | Encryption processing method, apparatus, and computer program utilizing different types of S-boxes | Taizo Shirai, Toru Akishita, Shiho Moriai | 2013-11-05 |
| 8396210 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2013-03-12 |
| 8379843 | Data converter, data conversion method, and computer program | Talzo Shirai, Shiho Moriai, Toru Akishita, Tetsu Iwata | 2013-02-19 |
| 8380683 | Data conversion device, data conversion method, and program | Taizo Shirai, Shiho Moriai, Toru Akishita, Tetsu Iwata | 2013-02-19 |
| 8369522 | Encryption processing apparatus, encryption method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2013-02-05 |
| 8306217 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai | 2012-11-06 |
| 8295478 | Cryptographic processing apparatus, algorithm constructing method, processing method, and computer program applying an extended feistel structure | Taizo Shirai | 2012-10-23 |
| 8290148 | Encryption processing apparatus, encryption processing method, and computer program | Toru Akishita, Taizo Shirai, Shiho Moriai | 2012-10-16 |