Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286328 | Operation display device for elevator | — | 2025-04-29 |
| 9442505 | Electric power control apparatus, electric power control method, and electric power feeding system | Masayuki Yokoyama, Naotaka Osawa, Shotaro Saito | 2016-09-13 |