Issued Patents 2020
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872158 | Secret search system, secret search method, and computer readable medium | Kenichiro HAYASAKA, Takato Hirano, Yoshihiro Koseki | 2020-12-22 |
| 10778431 | Encrypted text conversion device, computer readable medium, and encryption text conversion method | Takato Hirano, Yoshihiro Koseki | 2020-09-15 |
| 10673614 | Secret search system, management device, secret search method and computer readable medium | Takato Hirano | 2020-06-02 |
| 10671556 | Selectable peripheral logic in programmable apparatus | Yohichi Miwa | 2020-06-02 |
| 10673627 | Encryption device, search device, computer readable medium, encryption method, and search method | Takato Hirano | 2020-06-02 |
| 10599599 | Selectable peripheral logic in programmable apparatus | Yohichi Miwa | 2020-03-24 |
| 10592682 | Data storage apparatus, data processing method, and computer readable medium adding a user attribute of a revoked user to an embedded decryption condition while encrypted data remains in an encrypted state | Takumi Mori, Nori Matsuda | 2020-03-17 |
| 10540310 | Selectable peripheral logic in programmable apparatus | Yohichi Miwa | 2020-01-21 |