Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12412487 | Secret calculation system, apparatus, method and program | Dai Ikarashi, Hiroki Sudo | 2025-09-09 |
| 12333039 | Secret hash table construction system, reference system, methods for the same | Atsunori ICHIKAWA, Koki Hamada | 2025-06-17 |
| 12189807 | Encrypted data analysis device, encrypted data analysis method, and program | Gen Takahashi, Koki Hamada | 2025-01-07 |
| 12092371 | Temperature control apparatus | Tatsuya Amano, Haruhiko Tokui | 2024-09-17 |
| 12095906 | Secret survival data processing system, secret survival data processing apparatus, secret survival data processing method, and program | Atsunori ICHIKAWA, Dai Ikarashi, Koki Hamada, Hiroki Sudo, Ibuki MISHINA | 2024-09-17 |
| 12081655 | Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method, and program | Ibuki MISHINA, Dai Ikarashi, Koki Hamada | 2024-09-03 |
| 11900735 | Voting system, vote relay server, client terminal, voting method, advertisement distribution system, and program | Koha Kinjo, Tetsuya Okuda | 2024-02-13 |
| 11888977 | Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium | Dai Ikarashi, Koji Chida | 2024-01-30 |
| 11888973 | Secure joining system, method, secure computing apparatus and program | Dai Ikarashi, Koki Hamada, Naoto Kiribuchi | 2024-01-30 |
| 11880489 | Secret statistical processing systems, methods, statistical processing apparatus and program | Satoshi Tanaka, Asami MIYAJIMA, Gen Takahashi, Dai Ikarashi, Koki Hamada +1 more | 2024-01-23 |
| 11818254 | Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording medium | Dai Ikarashi, Koji Chida | 2023-11-14 |
| 11646880 | Secret computation method, secret computation system, secret computation apparatus, and program | Dai Ikarashi | 2023-05-09 |
| 11537726 | Secret computation system and method | Satoshi Tanaka, Koji Chida | 2022-12-27 |
| 11515998 | Secure computation device, secure computation method, program, and recording medium | Dai Ikarashi | 2022-11-29 |
| 11456862 | Secure computation system, secure computation apparatus, secure computation method, and recording medium | Dai Ikarashi, Koji Chida | 2022-09-27 |
| 11374743 | Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium | Dai Ikarashi, Koji Chida | 2022-06-28 |
| 11295457 | Tracking apparatus and computer readable medium | Takayuki SEMITSU, Takamasa NAKAO | 2022-04-05 |
| 11189038 | Tracking apparatus and computer readable medium | Takayuki SEMITSU, Takamasa NAKAO | 2021-11-30 |
| 11095429 | Circuit concealing apparatus, calculation apparatus, and program | Koutarou Suzuki, Carmen Kempka | 2021-08-17 |
| 10992462 | Concealed-decision-tree computation system, apparatus, method, and program | Koki Hamada | 2021-04-27 |
| 10972271 | Secret authentication code adding device, secret authentication code adding method, and program | Koki Hamada | 2021-04-06 |
| 10885814 | Share recovery system, share recovery apparatus, share recovery method, and program | Dai Ikarashi, Koji Chida, Koki Hamada | 2021-01-05 |
| 10867018 | Secure computation system, secure computation device, secure computation method, and program | Dai Ikarashi, Koji Chida, Koki Hamada | 2020-12-15 |
| 10679522 | Secure computation apparatus, secure computation method and program | Dai Ikarashi, Koji Chida, Koki Hamada | 2020-06-09 |
| 10665137 | Inconsistency detecting method, inconsistency detecting system, inconsistency detecting device, and program | Dai Ikarashi, Koki Hamada, Koji Chida | 2020-05-26 |