Issued Patents All Time
Showing 1–25 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12374989 | Switching control circuit and power supply circuit | Ryuunosuke Araumi | 2025-07-29 |
| 12166413 | Integrated circuit and power supply circuit | Ryuunosuke Araumi | 2024-12-10 |
| 12081116 | Switching control circuit and power supply circuit | Ryuunosuke Araumi | 2024-09-03 |
| 12051964 | Current detection circuit including non-linear circuit and power supply circuit containing the same | Ryuunosuke Araumi | 2024-07-30 |
| 11965650 | Photoconversion device and illumination system | Noritaka Niino | 2024-04-23 |
| 11876441 | Switching control circuit and resonant converter | Ryuunosuke Araumi | 2024-01-16 |
| 11764667 | Switching control circuit and power factor correction circuit | Ryuunosuke Araumi | 2023-09-19 |
| 11742746 | Switching control circuit and power supply circuit | — | 2023-08-29 |
| 11705814 | Switching control circuit and LLC converter | Ryuunosuke Araumi | 2023-07-18 |
| 11632038 | Snubber apparatus and power conversion apparatus | Qichen WANG | 2023-04-18 |
| 11515782 | Switching control circuit and power supply circuit | Ryuunosuke Araumi | 2022-11-29 |
| 11233921 | Image processing apparatus that specifies edge pixel in target image using single-component image data | — | 2022-01-25 |
| 11223290 | Power conversion device, control method, and computer-readable medium | — | 2022-01-11 |
| 11218070 | Snubber module, snubber apparatus and power conversion apparatus | Qichen WANG | 2022-01-04 |
| 11165333 | Snubber device and power conversion apparatus | Qichen WANG, Kazuyuki YODA | 2021-11-02 |
| 11159085 | Integrated circuit and switching circuit | Ryuunosuke Araumi, Takato Sugawara | 2021-10-26 |
| 11152851 | Snubber circuit and power conversion apparatus | — | 2021-10-19 |
| 11146168 | Snubber circuit and power conversion apparatus | — | 2021-10-12 |
| 11101730 | Drive signal generating circuit and power supply circuit | — | 2021-08-24 |
| 11038416 | Drive signal generating circuit and power supply circuit for improving power factor thereof | — | 2021-06-15 |
| 11031870 | Drive signal generating circuit and power supply circuit | — | 2021-06-08 |
| 10931206 | Power supply for output of various specifications | — | 2021-02-23 |
| 10811877 | Power supply system and power supply apparatus | — | 2020-10-20 |
| 10811992 | Power conversion device | Satoru Fujita | 2020-10-20 |
| 10742845 | Image processing apparatus identifying pixel which satisfies specific condition and performing replacement process on pixel value of identified pixel | Masaya Takasu | 2020-08-11 |