- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 19/28 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof adapted for measuring in circuits having distributed constants
Patent holdings for IPC class G01R 19/28
Total number of patents in this class: 24
10-year publication summary
|
2
|
1
|
1
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Goodix Technology Co., Ltd. | 2314 |
3 |
| Qualcomm Incorporated | 86648 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
2 |
| Covidien LP | 10666 |
1 |
| Siemens AG | 24352 |
1 |
| Texas Instruments Incorporated | 19462 |
1 |
| Texas Instruments Japan, Ltd. | 1656 |
1 |
| Electronics and Telecommunications Research Institute | 9444 |
1 |
| 2351161 Ontario Limited | 2 |
1 |
| Fluke Corporation | 967 |
1 |
| MKS Instruments, Inc. | 644 |
1 |
| Nanjing Nanrui Group | 7 |
1 |
| State Grid Corporation of China | 1375 |
1 |
| Zonge International, Inc. | 4 |
1 |
| NXP USA, Inc. | 4315 |
1 |
| Utopus Insights, Inc. | 138 |
1 |
| Eaton Intelligent Power Limited | 6035 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6261 |
1 |
| Nanjing Nanrui Information Communication Technology Co., Ltd | 1 |
1 |
| National Yang Ming Chiao Tung University | 330 |
1 |
| Other owners | 0 |