Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10453634 | Power generation apparatus and wireless switch | Katsuya Marumo, Ken Tamura, Kazuyuki Tsukimori, Yasushi Kawashima, Hajime Umeki +2 more | 2019-10-22 |
| 10304639 | Wireless switch | Katsuya Marumo, Ken Tamura, Kazuyuki Tsukimori, Yasushi Kawashima, Hajime Umeki +2 more | 2019-05-28 |