Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10333476 | Electric power converter and power amplifier | Takashi Imai, Hiroaki Hasegawa, Kazutaka Hiraoka, Shinji Takahashi | 2019-06-25 |
| 9641022 | Power supply apparatus, battery apparatus, and battery system | Tomonori Nakayama, Masayoshi Ishida, Hiroaki Hasegawa, Kazutaka Hiraoka, Toshiyuki Nagai | 2017-05-02 |