- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/032 - Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday
Patent holdings for IPC class G01R 33/032
Total number of patents in this class: 613
10-year publication summary
|
41
|
85
|
69
|
42
|
61
|
62
|
61
|
51
|
59
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lockheed Martin Corporation | 3307 |
67 |
| HI LLC, DBA Kernel | 237 |
20 |
| citizen Finedevice Co., Ltd. | 60 |
13 |
| President and Fellows of Harvard College | 5913 |
12 |
| citizen Watch Co., Ltd. | 1070 |
12 |
| Halliburton Energy Services, Inc. | 20438 |
11 |
| Seiko Epson Corporation | 18989 |
11 |
| Robert Bosch GmbH | 41786 |
10 |
| Hamamatsu Photonics K.K. | 4304 |
9 |
| Texas Instruments Incorporated | 19432 |
8 |
| Sumida Corporation | 306 |
8 |
| Samsung Electronics Co., Ltd. | 139001 |
7 |
| Kyoto University | 2778 |
7 |
| OptaSense Holdings Limited | 194 |
7 |
| Shinshu University | 461 |
7 |
| X Development LLC | 1427 |
7 |
| Hitachi, Ltd. | 15226 |
6 |
| Northrop Grumman Systems Corporation | 2921 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
6 |
| Element Six Technologies Limited | 188 |
6 |
| Other owners | 373 |