Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11750112 | Inverter device including a bootstrap circuit | Masahide Fujiwara, Nobuyasu Hiraoka, Taku Itou, Masaki Kouno, Reiji Kawashima | 2023-09-05 |
| 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 |
| 10495327 | Inverter apparatus | Hirotaka Doi, Hiroshi Doumae, Nobuyasu Hiraoka, Sumio Kagimura | 2019-12-03 |
| 10320284 | Inverter device having shunt resistor and printed board with conductive pattern component joining shunt resistor and terminal | Hirotaka Doi, Hiroshi Doumae, Takuji Koyama, Michiya Takezoe, Masahiro Yamamoto +2 more | 2019-06-11 |
| 10038256 | Module-terminal block connection structure and connection method | Hirotaka Doi, Nobuyasu Hiraoka, Hiroshi Doumae, Michiya Takezoe, Takuji Koyama | 2018-07-31 |