- All sections
- G - Physics
- G01S - Radio direction-findingradio navigationdetermining distance or velocity by use of radio waveslocating or presence-detecting by use of the reflection or reradiation of radio wavesanalogous arrangements using other waves
- G01S 13/75 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems using transponders powered from received waves, e.g. using passive transponders
Patent holdings for IPC class G01S 13/75
Total number of patents in this class: 608
10-year publication summary
|
30
|
59
|
49
|
47
|
43
|
34
|
40
|
61
|
42
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 89126 |
27 |
| Nokia Technologies Oy | 19868 |
12 |
| Apple Inc. | 57314 |
11 |
| NEC Corporation | 36475 |
11 |
| Nike, Inc. | 14545 |
10 |
| Symbol Technologies, LLC | 1166 |
9 |
| Siemens AG | 24337 |
8 |
| The Boeing Company | 20102 |
7 |
| Micron Technology, Inc. | 27215 |
6 |
| Amtech Systems, LLC | 81 |
6 |
| Zebra Technologies Corporation | 2334 |
6 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6114 |
6 |
| Telefonaktiebolaget LM Ericsson (publ) | 28552 |
6 |
| Cisco Technology, Inc. | 22245 |
5 |
| Huawei Technologies Co., Ltd. | 118634 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5159 |
5 |
| Board of Trustees of Michigan State University | 1210 |
5 |
| DRNC Holdings, Inc. | 478 |
5 |
| Teknologian Tutkimuskeskus VTT | 253 |
5 |
| The Procter & Gamble Company | 21979 |
4 |
| Other owners | 449 |