- 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: 654
10-year publication summary
|
3
|
11
|
17
|
7
|
3
|
7
|
4
|
3
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19470 |
41 |
| Semiconductor Components Industries, L.L.C. | 5251 |
38 |
| Intersil Americas LLC | 417 |
18 |
| National Semiconductor Corporation | 1084 |
16 |
| Rohm Co., Ltd. | 6450 |
16 |
| Infineon Technologies Americas Corp. | 676 |
16 |
| Intel Corporation | 46962 |
13 |
| Microchip Technology Incorporated | 2869 |
13 |
| Anpec Electronics Corporation | 309 |
11 |
| Richtek Technology Corp. | 612 |
10 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2235 |
10 |
| Analog Devices International Unlimited Company | 1905 |
10 |
| Infineon Technologies Austria AG | 2145 |
9 |
| Renesas Electronics Corporation | 6016 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42704 |
6 |
| Mediatek Inc. | 5113 |
6 |
| STMicroelectronics S.r.l. | 3610 |
6 |
| Analog Devices, Inc. | 3376 |
6 |
| Fuji Electric Co., Ltd. | 5140 |
6 |
| Cypress Semiconductor Corporation | 1770 |
6 |
| Other owners | 389 |