Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211930 | Drive circuit and impedance matching device | Masayuki Nakahama | 2021-12-28 |
| 11151670 | Energy saving support system | Tetsuya Hirata, Masayuki Kawamoto, Jun Koreishi, Hiroaki Sugiyama, Daisuke Takanohashi +3 more | 2021-10-19 |
| 11101109 | Impedance matching device and impedance matching method | — | 2021-08-24 |
| 11050400 | Impedance matching device and impedance matching method | — | 2021-06-29 |
| 10985735 | Impedance matching device and impedance matching method | — | 2021-04-20 |