Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12205798 | High-frequency power supply apparatus | Yuichi Hasegawa | 2025-01-21 |
| 12125677 | High-frequency power supply apparatus | Yuichi Hasegawa, Yuya UENO | 2024-10-22 |
| 12068132 | Radio-frequency power supply apparatus | Yuichi Hasegawa | 2024-08-20 |
| 11996578 | Vent plug for lead-acid battery and lead-acid battery | Shinsuke Oki, Yu Kojima | 2024-05-28 |
| 11811384 | Impedance adjustment device and impedance adjustment method | — | 2023-11-07 |
| 11791134 | Impedance adjustment device | — | 2023-10-17 |
| 11552612 | Impedance adjustment device and impedance adjustment method | — | 2023-01-10 |
| 11545954 | Impedance adjustment device | — | 2023-01-03 |
| 11501390 | Energy saving support system | Tetsuya Hirata, Masayuki Kawamoto, Jun Koreishi, Hiroaki Sugiyama, Daisuke Takanohashi +3 more | 2022-11-15 |
| 11387078 | Impedance matching device and impedance matching method | — | 2022-07-12 |
| 11356074 | Impedance matching device and impedance matching method | — | 2022-06-07 |
| 11348762 | High-frequency power supply system | — | 2022-05-31 |
| 11251778 | Impedance matching device and impedance matching method | — | 2022-02-15 |
| 11218135 | Impedance matching device and impedance matching method | — | 2022-01-04 |
| 11218129 | Impedance matching device and impedance matching method | — | 2022-01-04 |
| 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 |
| 10812071 | Drive circuit and impedance matching device | Masayuki Nakahama | 2020-10-20 |
| 10778209 | Pin diode driving circuit and threshold value determination method | Yohei Kaneyama, Masayuki Nakahama | 2020-09-15 |
| 10734196 | Impedance matching device | Masayuki Nakahama | 2020-08-04 |
| 10559046 | Power supply management system | Tetsuya Hirata, Masayuki Kawamoto, Jun Koreishi, Koshi ITO, Kengo MATSUNAGA +1 more | 2020-02-11 |