Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10756647 | Power converter device having a capacitor and a reactor adjacent to each other on the same circuit board | Masahide Fujiwara, Nobuyasu Hiraoka, Shinichi Ishizeki | 2020-08-25 |
| 10739019 | Power conversion device and refrigeration apparatus | Nobuyasu Hiraoka, Shinichi Ishizeki, Masahide Fujiwara | 2020-08-11 |
| 10619878 | Inverter driver of air conditioner | Hirotaka Doi, Hiroshi Doumae, Takuji Koyama, Nobuyasu Hiraoka, Michiya Takezoe +1 more | 2020-04-14 |