Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11735997 | Upper arm drive circuit having a reverse current prevention circuit disposed between a power supply of a power conversion device and a first capacitor and control method thereof | Satoshi Iesaka, Kenji Sakurai | 2023-08-22 |
| 10971339 | Ion source and cleaning method thereof | Masakazu Adachi, Yuya HIRAI | 2021-04-06 |
| 10600608 | Ion source | Masakazu Adachi, Shigeki Sakai, Yuya HIRAI, Takayuki Murayama, Weijiang Zhao | 2020-03-24 |