- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/618 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series and in parallel with the load as final control devices
Patent holdings for IPC class G05F 1/618
Total number of patents in this class: 188
10-year publication summary
|
12
|
10
|
12
|
11
|
10
|
8
|
3
|
4
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
13 |
| Qualcomm Incorporated | 76576 |
10 |
| National Semiconductor Corporation | 1411 |
5 |
| Monolithic Power Systems, Inc. | 352 |
5 |
| Analog Devices International Unlimited Company | 1724 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Mediatek Inc. | 4584 |
4 |
| Rohm Co., Ltd. | 5843 |
4 |
| Semiconductor Components Industries, L.L.C. | 5345 |
4 |
| Cypress Semiconductor Corporation | 1642 |
4 |
| Panasonic Corporation | 20786 |
3 |
| Infineon Technologies Austria AG | 1954 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Atmel Corporation | 1202 |
3 |
| Silicon Laboratories Inc. | 1107 |
3 |
| Socionext Inc. | 1575 |
3 |
| Alpha & Omega Semiconductor, Ltd. | 113 |
3 |
| Chengdu Monolithic Power Systems Co., Ltd. | 335 |
3 |
| Infineon Technologies Americas Corp. | 768 |
3 |
| Intersil Americas LLC | 462 |
3 |
| Other owners | 100 |