Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10476259 | Power conversion device and method for determining operational state of breaking device | Toshiaki Okumura, Naoki Ayai, Koichi Takeshita, Fumio Urakawa, Tadatsugu Udono | 2019-11-12 |