- 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 |