Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12412487 | Secret calculation system, apparatus, method and program | Ryo Kikuchi, Hiroki Sudo | 2025-09-09 |
| 12401494 | Machine learning using secure gradient descent computation | Ibuki MISHINA, Koki Hamada | 2025-08-26 |
| 12386948 | Secure computation apparatus, secure computation system, secure computation method, and program | Hiroki Sudo | 2025-08-12 |
| 12353554 | Secure computation system, secure computation apparatus, secure computation method, and program | — | 2025-07-08 |
| 12333273 | Secure right shift computation system, secure division system, methods therefor, secure computation apparatus, and program | — | 2025-06-17 |
| 12192339 | Secure computation apparatus, secure computation method, and program | — | 2025-01-07 |
| 12166864 | Secure computation apparatus, secure computation method, and program | — | 2024-12-10 |
| 12095906 | Secret survival data processing system, secret survival data processing apparatus, secret survival data processing method, and program | Atsunori ICHIKAWA, Koki Hamada, Ryo Kikuchi, 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, Koki Hamada, Ryo Kikuchi | 2024-09-03 |
| 12079363 | Secure joining information generation system, secure joining system, methods therefor, secure computing apparatus and program | Koki Hamada | 2024-09-03 |
| 11934564 | Secure computation apparatus, secure computation method, and program | — | 2024-03-19 |
| 11907641 | Parameter setting apparatus, computation apparatus, method, program, and recoding medium thereof | — | 2024-02-20 |
| 11888977 | Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium | Ryo Kikuchi, Koji Chida | 2024-01-30 |
| 11886876 | Secure strong mapping computing systems, methods, secure computing apparatus and program | Koki Hamada | 2024-01-30 |
| 11888973 | Secure joining system, method, secure computing apparatus and program | Koki Hamada, Ryo Kikuchi, Naoto Kiribuchi | 2024-01-30 |
| 11880489 | Secret statistical processing systems, methods, statistical processing apparatus and program | Satoshi Tanaka, Asami MIYAJIMA, Gen Takahashi, Koki Hamada, Ryo Kikuchi +1 more | 2024-01-23 |
| 11868510 | Secure cross tabulation system, secure computation apparatus, secure cross tabulation method, and program | — | 2024-01-09 |
| 11818254 | Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording medium | Ryo Kikuchi, Koji Chida | 2023-11-14 |
| 11797540 | Secret joining system, method, secret calculation apparatus and program | Koki Hamada | 2023-10-24 |
| 11675847 | Retrieval device, retrieval method, program, and recording medium | — | 2023-06-13 |
| 11646880 | Secret computation method, secret computation system, secret computation apparatus, and program | Ryo Kikuchi | 2023-05-09 |
| 11625363 | Secret deduplication filter generation system, secret deduplication system, method for these, secret calculation apparatus, and program | — | 2023-04-11 |
| 11593362 | Secure aggregate function computation system, secure computation apparatus, secure aggregate function computation method, and program | Koki Hamada | 2023-02-28 |
| 11595194 | Secure aggregate sum system, secure computation apparatus, secure aggregate sum method, and program | — | 2023-02-28 |
| 11515998 | Secure computation device, secure computation method, program, and recording medium | Ryo Kikuchi | 2022-11-29 |