- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/577 - 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 for plural loads
Patent holdings for IPC class G05F 1/577
Total number of patents in this class: 172
10-year publication summary
|
8
|
9
|
9
|
12
|
11
|
8
|
10
|
6
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
8 |
| Dell Products L.P. | 11144 |
6 |
| Qualcomm Incorporated | 76576 |
4 |
| Infineon Technologies AG | 8189 |
4 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1727 |
4 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| Cisco Technology, Inc. | 18858 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Mitsumi Electric Co., Ltd. | 1041 |
3 |
| Analog Devices International Unlimited Company | 1724 |
3 |
| Toshiba Corporation | 12017 |
2 |
| Intel Corporation | 45621 |
2 |
| Micron Technology, Inc. | 24960 |
2 |
| Renesas Electronics Corporation | 6305 |
2 |
| Electronics and Telecommunications Research Institute | 8830 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Yazaki Corporation | 6282 |
2 |
| STMicroelectronics S.r.l. | 3693 |
2 |
| Other owners | 111 |