- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/56 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
Patent holdings for IPC class G05F 1/56
Total number of patents in this class: 1745
10-year publication summary
|
143
|
129
|
130
|
144
|
155
|
136
|
121
|
143
|
134
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
92 |
| Rohm Co., Ltd. | 5843 |
66 |
| Qualcomm Incorporated | 76576 |
46 |
| Samsung Electronics Co., Ltd. | 131630 |
38 |
| Intel Corporation | 45621 |
37 |
| Ablic Inc. | 621 |
27 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
25 |
| Huawei Technologies Co., Ltd. | 100781 |
25 |
| Semiconductor Components Industries, L.L.C. | 5345 |
25 |
| STMicroelectronics S.r.l. | 3693 |
22 |
| Infineon Technologies AG | 8189 |
21 |
| SK Hynix Inc. | 11030 |
19 |
| Microchip Technology Incorporated | 2644 |
19 |
| Analog Devices International Unlimited Company | 1724 |
19 |
| Dialog Semiconductor GmbH | 210 |
18 |
| Intersil Americas LLC | 462 |
16 |
| Renesas Electronics Corporation | 6305 |
15 |
| Ricoh Company, Ltd. | 13266 |
14 |
| Mediatek Inc. | 4584 |
14 |
| NXP USA, Inc. | 4155 |
14 |
| Other owners | 1173 |