Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10848324 | Communication device, certificate authority device, and recording medium | Yoichi Masuda | 2020-11-24 |
| 10785208 | Authentication method, authentication system, and communication device | — | 2020-09-22 |
| 10764275 | Controller, communication method, and communication system | Yoichi Masuda, Hideki Matsushima, Yuji Unagami | 2020-09-01 |
| 10609027 | Communication system, communication method, and management device | Yoichi Masuda, Manabu Maeda, Yuji Unagami | 2020-03-31 |