- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/59 - 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 including plural semiconductor devices as final control devices for a single load
Patent holdings for IPC class G05F 1/59
Total number of patents in this class: 435
10-year publication summary
21
|
23
|
35
|
49
|
28
|
42
|
40
|
39
|
23
|
10
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 85183 |
24 |
Texas Instruments Incorporated | 19468 |
23 |
Rohm Co., Ltd. | 6444 |
18 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42636 |
14 |
Intel Corporation | 46962 |
13 |
Infineon Technologies Americas Corp. | 678 |
13 |
Samsung Electronics Co., Ltd. | 145864 |
11 |
Micron Technology, Inc. | 26258 |
9 |
National Semiconductor Corporation | 1086 |
9 |
Semiconductor Components Industries, L.L.C. | 5252 |
9 |
Apple Inc. | 54773 |
8 |
NXP USA, Inc. | 4298 |
7 |
STMicroelectronics S.r.l. | 3611 |
6 |
Realtek Semiconductor Corp. | 3282 |
6 |
Dialog Semiconductor (UK) Limited | 440 |
6 |
STMicroelectronics International N.V. | 3163 |
6 |
Psemi Corporation | 1015 |
6 |
Ablic Inc. | 590 |
6 |
Cypress Semiconductor Corporation | 1764 |
5 |
Chaologix, Inc. | 24 |
5 |
Other owners | 231 |