Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10839674 | Management system, management device, management method, and management program | Yoji Okada, Shigeru Tanaka | 2020-11-17 |
| 9934678 | Remote controller and remote control system | Mitsuru Hirakawa | 2018-04-03 |
| 9626861 | Wireless device and wireless control system | Mitsuru Hirakawa | 2017-04-18 |