Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11133900 | Sensor device management method and sensor device management system | Rintaro Katayama, Ryosuke Fujiwara | 2021-09-28 |
| 10996076 | Sensor device management method and sensor device management system | Rintaro Katayama, Ryosuke Fujiwara | 2021-05-04 |
| 10923793 | Antenna device, manhole cover equipped with antenna device, and power distribution panel equipped with same | Masami OONISHI, Ryosuke Fujiwara, Rintaro Katayama | 2021-02-16 |