- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/40 - Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices
Patent holdings for IPC class G05F 1/40
Total number of patents in this class: 576
10-year publication summary
|
11
|
17
|
7
|
3
|
7
|
4
|
3
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19631 |
37 |
| Semiconductor Components Industries, L.L.C. | 5260 |
35 |
| Infineon Technologies Americas Corp. | 1915 |
19 |
| Intersil Americas LLC | 391 |
15 |
| National Semiconductor Corporation | 891 |
12 |
| Rohm Co., Ltd. | 6747 |
11 |
| Anpec Electronics Corporation | 333 |
11 |
| Intel Corporation | 46680 |
10 |
| Microchip Technology Incorporated | 3200 |
10 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2075 |
10 |
| Infineon Technologies Austria AG | 2294 |
9 |
| Richtek Technology Corp. | 657 |
9 |
| Renesas Electronics Corporation | 5866 |
8 |
| Analog Devices International Unlimited Company | 2005 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47319 |
6 |
| Mediatek Inc. | 5398 |
6 |
| Analog Devices, Inc. | 3340 |
6 |
| Cirrus Logic, Inc. | 1792 |
6 |
| Maxim Integrated Products, Inc. | 1029 |
6 |
| Dell Products L.P. | 16388 |
5 |
| Other owners | 338 |