- 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: 664
10-year publication summary
|
39
|
84
|
67
|
41
|
58
|
62
|
58
|
52
|
60
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lockheed Martin Corporation | 3269 |
67 |
| HI LLC, DBA Kernel | 235 |
20 |
| citizen Finedevice Co., Ltd. | 63 |
14 |
| Robert Bosch GmbH | 42826 |
13 |
| President and Fellows of Harvard College | 6005 |
12 |
| citizen Watch Co., Ltd. | 1077 |
12 |
| Halliburton Energy Services, Inc. | 20977 |
11 |
| Seiko Epson Corporation | 19670 |
11 |
| Hamamatsu Photonics K.K. | 4461 |
10 |
| Honeywell International Inc. | 13552 |
9 |
| Sumitomo Electric Industries, Ltd. | 15659 |
9 |
| Sumida Corporation | 327 |
9 |
| Samsung Electronics Co., Ltd. | 147983 |
8 |
| Texas Instruments Incorporated | 19456 |
8 |
| Kyoto University | 2831 |
8 |
| OptaSense Holdings Limited | 194 |
7 |
| Shinshu University | 473 |
7 |
| X Development LLC | 1311 |
7 |
| Hitachi, Ltd. | 15599 |
6 |
| Northrop Grumman Systems Corporation | 2934 |
6 |
| Other owners | 410 |