Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10503915 | Encrypted text verification system, method and recording medium | Toshiyuki Isshiki, Kengo Mori, Satoshi Obana | 2019-12-10 |
| 10484182 | Encrypted text verification system, method, and recording medium | Toshiyuki Isshiki, Kengo Mori, Satoshi Obana | 2019-11-19 |
| 10417442 | Server device, data search system, search method, and recording medium for extracting concealed data | Kazuma Ohara, Jun Furukawa | 2019-09-17 |
| 10305689 | Encryption apparatus, decryption apparatus, cryptography processing system, encryption method, decryption method, encryption program, and decryption program | — | 2019-05-28 |
| 9985779 | Encrypted text matching system, method, and computer readable medium | Toshiyuki Isshiki, Kengo Mori | 2018-05-29 |
| 9906363 | Encrypted data verification system, method and recording medium | Satoshi Obana, Toshiyuki Isshiki, Kengo Mori | 2018-02-27 |
| 9900146 | Encrypted text matching system, method, and computer readable medium | Toshiyuki Isshiki, Kengo Mori | 2018-02-20 |
| 9882712 | Encrypted text matching system, method, and computer readable medium | Toshiyuki Isshiki, Kengo Mori | 2018-01-30 |
| 9690845 | System for generating index resistant against divulging of information, index generation device, and method therefor | Isamu Teranishi | 2017-06-27 |
| 9621533 | Bit string collation system, bit string collation method, and program | Toshiyuki Isshiki, Kengo Mori | 2017-04-11 |
| 9600677 | Database apparatus, method, and program | Kengo Mori, Satoshi Obana, Jun Furukawa, Isamu Teranishi, Toshiyuki Isshiki | 2017-03-21 |
| 9349023 | Database encryption system, method, and program | Kengo Mori, Satoshi Obana, Jun Furukawa, Isamu Teranishi, Toshiyuki Isshiki | 2016-05-24 |
| 9300471 | Information processing apparatus, information processing method, and program | Isamu Teranishi, Jun Furukawa | 2016-03-29 |
| 8861734 | Secret information distribution system, method, program, and transmission system | — | 2014-10-14 |
| 8812877 | Database encryption system, method, and program | Kengo Mori, Satoshi Obana, Jun Furukawa, Isamu Teranishi, Toshiyuki Isshiki | 2014-08-19 |
| 8799677 | Encrypted search database device, encrypted search data adding/deleting method and adding/deleting program | — | 2014-08-05 |
| 8381048 | Transmission system, method and program | — | 2013-02-19 |
| 8300826 | Distributed information generation apparatus, reconstruction apparatus, reconstruction result verification apparatus, and secret information distribution system, method, and program | — | 2012-10-30 |
| 8214647 | Distributed information generator and restoring device | Satoshi Obana | 2012-07-03 |
| 8199910 | Signature generation apparatus and signature verification apparatus | Sumio Morioka | 2012-06-12 |