- All sections
- G - Physics
- G01S - Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other waves
- G01S 13/75 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous 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: 541
10-year publication summary
|
40
|
32
|
35
|
63
|
49
|
51
|
43
|
32
|
39
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
11 |
| Qualcomm Incorporated | 76576 |
10 |
| Nike, Inc. | 13075 |
10 |
| Siemens AG | 24990 |
9 |
| Symbol Technologies, LLC | 1308 |
9 |
| Apple Inc. | 50209 |
8 |
| Honeywell International Inc. | 13799 |
8 |
| The Boeing Company | 19843 |
7 |
| Amtech Systems, LLC | 101 |
7 |
| Nokia Technologies Oy | 15057 |
6 |
| Zebra Technologies Corporation | 1689 |
6 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
6 |
| Micron Technology, Inc. | 24960 |
5 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| Symbol Technologies, Inc. | 731 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
5 |
| Board of Trustees of Michigan State University | 1141 |
5 |
| DRNC Holdings, Inc. | 236 |
5 |
| Teknologian Tutkimuskeskus VTT | 247 |
5 |
| The Procter & Gamble Company | 22178 |
4 |
| Other owners | 405 |