- 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: 440
10-year publication summary
|
21
|
23
|
35
|
49
|
29
|
42
|
40
|
40
|
23
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19478 |
25 |
| Qualcomm Incorporated | 86899 |
23 |
| Rohm Co., Ltd. | 6529 |
20 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 44433 |
14 |
| Intel Corporation | 46939 |
13 |
| Infineon Technologies Americas Corp. | 740 |
13 |
| Samsung Electronics Co., Ltd. | 148402 |
11 |
| Micron Technology, Inc. | 26348 |
9 |
| National Semiconductor Corporation | 1016 |
9 |
| Semiconductor Components Industries, L.L.C. | 5292 |
9 |
| Apple Inc. | 55846 |
8 |
| NXP USA, Inc. | 4334 |
7 |
| Ablic Inc. | 611 |
7 |
| STMicroelectronics S.r.l. | 3603 |
6 |
| Realtek Semiconductor Corp. | 3334 |
6 |
| Dialog Semiconductor (UK) Limited | 440 |
6 |
| STMicroelectronics International N.V. | 3309 |
6 |
| Psemi Corporation | 1040 |
6 |
| Mediatek Inc. | 5195 |
5 |
| Cypress Semiconductor Corporation | 1791 |
5 |
| Other owners | 232 |