Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291686 | Method of estimating the residual magnetic flux of transformer and residual magnetic flux estimation device | Keisuke Udagawa, Tadashi Koshizuka, Yoshimasa Sato, Hiroyuki Maehara | 2016-03-22 |