Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11044769 | Wireless communication system, wireless relay device and wireless communication method | Osamu Kato | 2021-06-22 |
| 11036220 | Remote automatic travel system, wireless communication method, and moving body device | Osamu Katou | 2021-06-15 |
| 10986635 | Wireless terminal and wireless base station allocation method | Osamu Kato, Noriyuki Shimizu, Masaaki Yoshino | 2021-04-20 |