- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 17/691 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors with galvanic isolation between the control circuit and the output circuit using transformer coupling
Patent holdings for IPC class H03K 17/691
Total number of patents in this class: 306
10-year publication summary
|
19
|
25
|
44
|
24
|
21
|
17
|
23
|
27
|
23
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6529 |
59 |
| Mitsubishi Electric Corporation | 46734 |
19 |
| Denso Corporation | 24652 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32199 |
10 |
| Infineon Technologies Austria AG | 2197 |
9 |
| ASM America, Inc. | 119 |
8 |
| Flextronics AP, LLC | 460 |
8 |
| Power Integrations, Inc. | 550 |
7 |
| Reno Sub-systems, Inc. | 60 |
7 |
| Allegro Microsystems, LLC | 1364 |
5 |
| Vicor Corporation | 125 |
5 |
| Texas Instruments Incorporated | 19478 |
4 |
| Raytheon Company | 8413 |
4 |
| Ellenberger & Poensgen GmbH | 230 |
4 |
| Skyworks Solutions, Inc. | 3784 |
4 |
| Semiconductor Components Industries, L.L.C. | 5292 |
3 |
| Delta Electronics (Shanghai) Co., Ltd. | 728 |
3 |
| Mitsubishi Electric R&D Centre Europe B.V. | 353 |
3 |
| Halliburton Energy Services, Inc. | 21020 |
2 |
| Toshiba Corporation | 12520 |
2 |
| Other owners | 129 |