- 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: 635
10-year publication summary
|
41
|
85
|
69
|
42
|
61
|
62
|
61
|
52
|
59
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lockheed Martin Corporation | 3275 |
67 |
| HI LLC, DBA Kernel | 236 |
20 |
| Robert Bosch GmbH | 42614 |
13 |
| citizen Finedevice Co., Ltd. | 62 |
13 |
| President and Fellows of Harvard College | 5964 |
12 |
| citizen Watch Co., Ltd. | 1075 |
12 |
| Halliburton Energy Services, Inc. | 20835 |
11 |
| Seiko Epson Corporation | 19316 |
11 |
| Hamamatsu Photonics K.K. | 4403 |
10 |
| Sumida Corporation | 323 |
9 |
| Texas Instruments Incorporated | 19494 |
8 |
| Samsung Electronics Co., Ltd. | 145025 |
7 |
| Kyoto University | 2798 |
7 |
| OptaSense Holdings Limited | 194 |
7 |
| Shinshu University | 469 |
7 |
| X Development LLC | 1304 |
7 |
| Honeywell International Inc. | 13522 |
6 |
| Hitachi, Ltd. | 15467 |
6 |
| Northrop Grumman Systems Corporation | 2951 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
6 |
| Other owners | 390 |