- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 3/04 - Regulating voltage or current wherein the variable is ac
Patent holdings for IPC class G05F 3/04
Total number of patents in this class: 120
10-year publication summary
|
17
|
12
|
8
|
11
|
4
|
1
|
0
|
4
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pass & Seymour, Inc. | 181 |
5 |
| Semiconductor Components Industries, L.L.C. | 5345 |
4 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2467 |
4 |
| Texas Instruments Incorporated | 19376 |
3 |
| Macronix International Co., Ltd. | 2562 |
3 |
| Toshiba Corporation | 12017 |
2 |
| Delta Electronics, Inc. | 2401 |
2 |
| Advanced Fusion Systems LLC | 66 |
2 |
| Integrated Device Technology, Inc. | 736 |
2 |
| Littelfuse, Inc. | 758 |
2 |
| Medical Energetics Ltd. | 43 |
2 |
| Microchip Technology Incorporated | 2644 |
2 |
| San Diego Gas & Electric Company | 66 |
2 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
2 |
| STMicroelectronics International N.V. | 635 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Siemens AG | 24990 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| NEC Corporation | 32703 |
1 |
| Canon Inc. | 36841 |
1 |
| Other owners | 76 |