Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355367 | Wideband RF power supply and control method | Tomohiro Yoneyama, Shohei Kobayashi, Yu Hosoyamada | 2025-07-08 |
| 12323074 | RF band power supply device and pulse width modulation control method | Tomohiro Yoneyama, Shohei Kobayashi, Yu Hosoyamada | 2025-06-03 |
| 12081177 | Bridged class-D RF amplifier circuit | Sam Seiichiro Ochi, Dumitru Sdrulla, W. Albert Gu, Tetsuya Takata, Tomohiro Yoneyama +1 more | 2024-09-03 |
| 12074226 | Schottky diode integrated with a semiconductor device | Amaury Gendron-Hansen, Dumitru Sdrulla, Leslie Szepesi, Tetsuya Takata, Tomohiro Yoneyama +1 more | 2024-08-27 |
| 11929668 | DC pulse power supply device and magnetic saturation reset method for DC pulse power supply device | Toshiyuki Adachi, Tomohiro Yoneyama, Koichi Miyazaki | 2024-03-12 |
| 11881777 | DC pulse power supply device | Toshiyuki Adachi, Tomohiro Yoneyama, Koichi Miyazaki | 2024-01-23 |
| 11799373 | DC pulse power supply device | Toshiyuki Adachi, Tomohiro Yoneyama, Koichi Miyazaki | 2023-10-24 |
| 11764666 | DC pulse power supply device and frequency control method for DC pulse power supply device | Toshiyuki Adachi, Tomohiro Yoneyama, Koichi Miyazaki | 2023-09-19 |
| 11728734 | DC/DC converter for switching a voltage level of DC voltage, and a control method for the DC/DC converter | Yu Hosoyamada | 2023-08-15 |
| 11677385 | DC pulse power supply device and duty control method for DC pulse power supply device | Toshiyuki Adachi, Tomohiro Yoneyama, Koichi Miyazaki | 2023-06-13 |
| 11368088 | Power supply device and method for controlling power supply device | Ryosuke Ohma, Hiroshi Kunitama, Yu Hosoyamada | 2022-06-21 |
| 11362649 | Circuit and method for adaptively eliminating ringing in signals driving capacitive loads | Sam Seiichiro Ochi, Tetsuya Takata, Tomohiro Yoneyama, Yu Hosoyamada | 2022-06-14 |
| 11336179 | DC/DC converter, and control method for DC/DC converter | Yu Hosoyamada | 2022-05-17 |
| 11205954 | DC/DC converter and control method for DC/DC converter | Yu Hosoyamada | 2021-12-21 |
| 10992217 | Insulated power source and power conversion device | Ryosuke Ohma, Hiroshi Kunitama, Yu Hosoyamada | 2021-04-27 |
| 10978950 | Power supply device and method for controlling power supply device | Ryosuke Ohma, Hiroshi Kunitama, Yu Hosoyamada | 2021-04-13 |
| 10924007 | Power supply device and method for controlling the multi-phase interleaving operation of the power supply device | Ryosuke Ohma, Hiroshi Kunitama, Yu Hosoyamada | 2021-02-16 |
| 10886850 | Power supply device and method for controlling power supply device | Ryosuke Ohma, Hiroshi Kunitama, Yu Hosoyamada | 2021-01-05 |
| 10594220 | Power supply device and method for controlling power supply device | Takeshi Fujiwara, Ryosuke Ohma, Hiroshi Kunitama, Satoshi Kawai, Ryota Suzuki | 2020-03-17 |
| 10475624 | High-frequency power supply device, and control method for high-frequency power supply device | Ryosuke Ohma | 2019-11-12 |
| 10355607 | Regeneration circulator, high-frequency power supply device, and high-frequency power regeneration method | Satoshi Aikawa, Ryosuke Ohma | 2019-07-16 |
| 10348267 | Impedance matching device | Satoshi Aikawa, Sadao Mori, Tadaharu Ohno | 2019-07-09 |
| 10244615 | Radio frequency power source device, and power source for dual cathodes | Shinichi Kodama, Toshiyuki Adachi | 2019-03-26 |
| 10038435 | High-frequency-isolation gate driver circuit and gate circuit driving method | Hiroshi Kunitama | 2018-07-31 |
| 9806629 | Single-phase inverter | Shinichi Kodama, Toshiyuki Adachi | 2017-10-31 |