Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872158 | Secret search system, secret search method, and computer readable medium | Kenichiro HAYASAKA, Yutaka Kawai, Yoshihiro Koseki | 2020-12-22 |
| 10778431 | Encrypted text conversion device, computer readable medium, and encryption text conversion method | Yutaka Kawai, Yoshihiro Koseki | 2020-09-15 |
| RE48146 | Data search device, data search method, computer readable medium storing data search program, data registration device, data registration method, computer readable medium storing data registration program, and information processing device | Mitsuhiro Hattori, Nori Matsuda, Takashi Ito, Takumi Mori | 2020-08-04 |
| 10673614 | Secret search system, management device, secret search method and computer readable medium | Yutaka Kawai | 2020-06-02 |
| 10673627 | Encryption device, search device, computer readable medium, encryption method, and search method | Yutaka Kawai | 2020-06-02 |