- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 5/28 - Electrostatic instruments
Patent holdings for IPC class G01R 5/28
Total number of patents in this class: 22
10-year publication summary
|
3
|
4
|
3
|
0
|
1
|
4
|
0
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4034 |
2 |
| Northrop Grumman Systems Corporation | 2935 |
2 |
| Tsinghua University | 5931 |
2 |
| Siemens AG | 24477 |
1 |
| The Regents of the University of California | 19929 |
1 |
| International Business Machines Corporation | 61257 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
1 |
| Omron Corporation | 7263 |
1 |
| Alps Electric Co., Ltd. | 809 |
1 |
| ABB Inc. | 152 |
1 |
| Advanced Energy Industries, Inc. | 466 |
1 |
| Ashwin-Ushas Corporation, Inc. | 23 |
1 |
| Bio-Rad Laboratories, Inc. | 1617 |
1 |
| Chongqing University | 274 |
1 |
| L-3 Communications Integrated Systems L.P. | 17 |
1 |
| Rampart Detection Systems Ltd. | 7 |
1 |
| University of Sussex | 99 |
1 |
| Pronghorn Technologies, LLC | 2 |
1 |
| Shenzhen Hor Technology Co., Ltd | 6 |
1 |
| Other owners | 0 |