- 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 5/22 - Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
Patent holdings for IPC class G01S 5/22
Total number of patents in this class: 324
10-year publication summary
|
29
|
32
|
30
|
29
|
27
|
32
|
28
|
21
|
16
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37004 |
11 |
| Huawei Technologies Co., Ltd. | 123385 |
7 |
| Battelle Memorial Institute | 2604 |
7 |
| Gracenote, Inc. | 505 |
7 |
| Goertek Inc. | 2821 |
6 |
| Symbol Technologies, LLC | 1130 |
6 |
| Qualcomm Incorporated | 92196 |
5 |
| Amazon Technologies, Inc. | 28087 |
5 |
| Samsung Electronics Co., Ltd. | 157719 |
4 |
| ZTE Corporation | 44170 |
4 |
| Benchmark Electronics, Inc. | 42 |
4 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 975 |
4 |
| Auris, LLC | 6 |
4 |
| Hitachi, Ltd. | 16094 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
3 |
| Tsinghua University | 6211 |
3 |
| Nokia Technologies Oy | 21106 |
3 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1917 |
3 |
| Digimarc Corporation | 714 |
3 |
| Korea Research Institute of Standards and Science | 692 |
3 |
| Other owners | 229 |