- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 574
10-year publication summary
|
27
|
41
|
85
|
69
|
42
|
60
|
62
|
61
|
51
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lockheed Martin Corporation | 3406 |
67 |
| HI LLC, DBA Kernel | 238 |
20 |
| Seiko Epson Corporation | 18724 |
12 |
| President and Fellows of Harvard College | 5792 |
12 |
| Halliburton Energy Services, Inc. | 20165 |
11 |
| citizen Finedevice Co., Ltd. | 59 |
10 |
| citizen Watch Co., Ltd. | 1062 |
10 |
| Robert Bosch GmbH | 40953 |
9 |
| Hamamatsu Photonics K.K. | 4161 |
9 |
| X Development LLC | 1453 |
9 |
| Texas Instruments Incorporated | 19376 |
8 |
| OptaSense Holdings Limited | 190 |
7 |
| Sumida Corporation | 291 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Hitachi, Ltd. | 16452 |
6 |
| Northrop Grumman Systems Corporation | 2940 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
6 |
| Shinshu University | 445 |
6 |
| Massachusetts Institute of Technology | 9795 |
5 |
| Element Six Technologies Limited | 179 |
5 |
| Other owners | 343 |