- 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: 591
10-year publication summary
|
30
|
30
|
59
|
49
|
47
|
43
|
34
|
39
|
61
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85914 |
25 |
| NEC Corporation | 35793 |
11 |
| Nike, Inc. | 14204 |
10 |
| Apple Inc. | 55229 |
9 |
| Nokia Technologies Oy | 18175 |
9 |
| Symbol Technologies, LLC | 1199 |
9 |
| Siemens AG | 24437 |
8 |
| The Boeing Company | 20090 |
7 |
| Micron Technology, Inc. | 26251 |
6 |
| Amtech Systems, LLC | 82 |
6 |
| Zebra Technologies Corporation | 2223 |
6 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6126 |
6 |
| Huawei Technologies Co., Ltd. | 113191 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4975 |
5 |
| Board of Trustees of Michigan State University | 1187 |
5 |
| DRNC Holdings, Inc. | 488 |
5 |
| Teknologian Tutkimuskeskus VTT | 245 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28156 |
5 |
| The Procter & Gamble Company | 22045 |
4 |
| 3m Innovative Properties Company | 17820 |
4 |
| Other owners | 441 |