Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480991 | Secret table reference system, method, secret calculation apparatus and program | Koki Hamada | 2022-10-25 |
| 11461395 | Confidential sort system and method | Koki Hamada, Koji Chida | 2022-10-04 |
| 11456862 | Secure computation system, secure computation apparatus, secure computation method, and recording medium | Koji Chida, Ryo Kikuchi | 2022-09-27 |
| 11374743 | Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium | Ryo Kikuchi, Koji Chida | 2022-06-28 |
| 11329808 | Secure computation device, secure computation authentication system, secure computation method, and program | Gembu Morohashi, Koji Chida | 2022-05-10 |
| 11316674 | Secure aggregate median system, secure computation apparatus, secure aggregate median method, and program | Koki Hamada | 2022-04-26 |
| 11265155 | Agreement system, agreement apparatus, program, and recording medium | Koki Hamada | 2022-03-01 |
| 11251945 | Secure aggregate maximum system, secure aggregate minimum system, secure computation apparatus, secure aggregate maximum method, secure aggregate minimum method, and program | — | 2022-02-15 |
| 11250004 | Secure equijoin system, secure equijoin device, secure equijoin method, and program | Naoto Kiribuchi, Koki Hamada, Gembu Morohashi | 2022-02-15 |
| 11240012 | Secure aggregate order system, secure computation apparatus, secure aggregate order method, and program | — | 2022-02-01 |
| 11157612 | Secret tampering detection system, secret tampering detection apparatus, secret tampering detection method, and program | — | 2021-10-26 |
| 11099984 | Permutation apparatus, permutation method, and program | — | 2021-08-24 |
| 10950144 | Secret falsification detecting system, secret computation apparatus, secret falsification detecting method, and program | — | 2021-03-16 |
| 10929502 | Matrix triangulation apparatus, matrix triangulation method, and program | — | 2021-02-23 |
| 10885814 | Share recovery system, share recovery apparatus, share recovery method, and program | Koji Chida, Ryo Kikuchi, Koki Hamada | 2021-01-05 |
| 10867018 | Secure computation system, secure computation device, secure computation method, and program | Koji Chida, Koki Hamada, Ryo Kikuchi | 2020-12-15 |
| 10748454 | Secret computation apparatus, method for the same, and program | — | 2020-08-18 |
| 10728045 | Authentication device, authentication system, authentication method, and program | — | 2020-07-28 |
| 10693886 | Computation system, computation device, method thereof, and program to perform information processing | — | 2020-06-23 |
| 10679522 | Secure computation apparatus, secure computation method and program | Koji Chida, Koki Hamada, Ryo Kikuchi | 2020-06-09 |
| 10665137 | Inconsistency detecting method, inconsistency detecting system, inconsistency detecting device, and program | Ryo Kikuchi, Koki Hamada, Koji Chida | 2020-05-26 |
| 10523422 | Tampering detection device, tampering detection method and program | Ryo Kikuchi, Koki Hamada, Koji Chida | 2019-12-31 |
| 10509630 | Random number generation apparatus, random number generation method and program | — | 2019-12-17 |
| 10511330 | Decoding apparatus, decoding method and program | — | 2019-12-17 |
| 10469257 | Matrix and key generation device, matrix and key generation system, matrix coupling device, matrix and key generation method, and program | Koki Hamada, Naoto Kiribuchi | 2019-11-05 |