Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10756771 | Wireless switch | Katsuya Marumo, Hajime Umeki, Junji OBATA, Keisuke Yano | 2020-08-25 |
| 10547396 | State display apparatus, state display system, and radio transmission apparatus | Soji Ohmae, Hajime Umeki, Junji OBATA, Hiroshi Okabe | 2020-01-28 |