Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10403449 | Direct-current circuit breaker | Shiken Ka, Hiroki Ito, Kunio Kikuchi, Makoto Miyashita, Kazuyori TAHATA +1 more | 2019-09-03 |
| 10184452 | Wind power generation system and DC power transmission system | Kazuyori TAHATA, Kunio Kikuchi, Makoto Miyashita, Sho Tokoyoda | 2019-01-22 |