- 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: 1673
10-year publication summary
|
91
|
143
|
129
|
130
|
143
|
155
|
134
|
121
|
132
|
54
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19222 |
91 |
| Rohm Co., Ltd. | 5196 |
55 |
| Qualcomm Incorporated | 70412 |
40 |
| Samsung Electronics Co., Ltd. | 123537 |
34 |
| Intel Corporation | 46080 |
33 |
| Ablic Inc. | 762 |
33 |
| Semiconductor Components Industries, L.L.C. | 5329 |
26 |
| Huawei Technologies Co., Ltd. | 91895 |
24 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 33201 |
21 |
| Analog Devices International Unlimited Company | 1571 |
20 |
| Infineon Technologies AG | 8656 |
19 |
| SK Hynix Inc. | 10357 |
19 |
| STMicroelectronics S.r.l. | 3600 |
19 |
| Dialog Semiconductor GmbH | 228 |
18 |
| Microchip Technology Incorporated | 2542 |
18 |
| Intersil Americas LLC | 487 |
17 |
| Renesas Electronics Corporation | 6546 |
16 |
| Ricoh Company, Ltd. | 13955 |
14 |
| NXP USA, Inc. | 4101 |
14 |
| Infineon Technologies Austria AG | 1854 |
13 |
| Other owners | 1129 |