Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9515479 | Inrush current suppression apparatus | Tadashi Koshizuka, Shiro Maruyama, Hiroyuki Maehara | 2016-12-06 |
| 9425615 | Inrush current suppression apparatus | Tadashi Koshizuka, Minoru Saito, Shiro Maruyama, Hiroyuki Maehara | 2016-08-23 |
| 9291686 | Method of estimating the residual magnetic flux of transformer and residual magnetic flux estimation device | Keisuke Udagawa, Tadashi Koshizuka, Minoru Saitoh, Hiroyuki Maehara | 2016-03-22 |