Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11831769 | Registration device, server device, searchable encryption system, and searchable encryption method | Takato Hirano, Yoshihiro Koseki | 2023-11-28 |
| 11824638 | Re-encryption device, method and computer readable medium to change the access range for ciphertext | Yoshihiro Koseki | 2023-11-21 |
| 11790105 | Secret search system and secret search method | Kenichiro HAYASAKA | 2023-10-17 |
| 11687682 | Computing device security cable | Yutaro Saito, Yohichi Miwa | 2023-06-27 |