- All sections
- G - Physics
- G01C - Measuring distances, levels or bearingssurveyingnavigationgyroscopic instrumentsphotogrammetry or videogrammetry
- G01C 17/28 - Electromagnetic compasses
Patent holdings for IPC class G01C 17/28
Total number of patents in this class: 146
10-year publication summary
|
14
|
13
|
16
|
13
|
11
|
9
|
7
|
12
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31530 |
9 |
| Samsung Electronics Co., Ltd. | 139302 |
6 |
| Suunto Oy | 186 |
6 |
| Apple Inc. | 52845 |
5 |
| Alps Electric Co., Ltd. | 835 |
5 |
| Archaius Inc. | 23 |
5 |
| Casio Computer Co., Ltd. | 3374 |
3 |
| Bose Corporation | 2925 |
3 |
| Isentek Inc. | 27 |
3 |
| Multidimension Technology Co., Ltd. | 218 |
3 |
| Qualcomm Incorporated | 82009 |
2 |
| Halliburton Energy Services, Inc. | 20449 |
2 |
| Seiko Epson Corporation | 19005 |
2 |
| Huawei Technologies Co., Ltd. | 106915 |
2 |
| Kyocera Corporation | 13358 |
2 |
| Rohm Co., Ltd. | 6360 |
2 |
| eBay Inc. | 3323 |
2 |
| Google LLC | 40924 |
2 |
| PGS Geophysical AS | 535 |
2 |
| Sysnav | 48 |
2 |
| Other owners | 78 |