Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619878 | Inverter driver of air conditioner | Hirotaka Doi, Hiroshi Doumae, Takuji Koyama, Nobuyasu Hiraoka, Sumio Kagimura +1 more | 2020-04-14 |
| 10320284 | Inverter device having shunt resistor and printed board with conductive pattern component joining shunt resistor and terminal | Hirotaka Doi, Hiroshi Doumae, Takuji Koyama, Keito KOTERA, Masahiro Yamamoto +2 more | 2019-06-11 |
| 10038256 | Module-terminal block connection structure and connection method | Keito KOTERA, Hirotaka Doi, Nobuyasu Hiraoka, Hiroshi Doumae, Takuji Koyama | 2018-07-31 |
| 8084985 | Inverter control method | Motonobu Ikeda, Satoshi Yagi, Hiroyuki Kondou, Hirotaka Doi, Hirohito Maeda | 2011-12-27 |