Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11166397 | Power conversion device | Tatsuji Katayama | 2021-11-02 |
| 11134592 | Power conversion device | Naohiro Yoshida | 2021-09-28 |
| 11011383 | Etching method | Yasuo ASADA, Takehiko Orii | 2021-05-18 |
| D909297 | Power converter | Yuki Yoshizumi | 2021-02-02 |