- 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 15/74 - Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe
Patent holdings for IPC class G01S 15/74
Total number of patents in this class: 100
10-year publication summary
|
9
|
11
|
11
|
9
|
10
|
6
|
6
|
10
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kraken Robotics Services US Inc. | 21 |
8 |
| State Farm Mutual Automobile Insurance Company | 3472 |
6 |
| Koninklijke Philips N.V. | 26042 |
5 |
| Quanata, LLC | 396 |
5 |
| Airmar Technology Corporation | 64 |
3 |
| KDDI Corporation | 1200 |
3 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6102 |
3 |
| Denso Corporation | 25746 |
2 |
| Atlas Elektronik GmbH | 386 |
2 |
| Google LLC | 44796 |
2 |
| Teledyne Instruments, Inc. | 223 |
2 |
| TDK Electronics AG | 1014 |
2 |
| Epirus, Inc. | 92 |
2 |
| Ocean Space Acoustics AS | 6 |
2 |
| Samsung Electronics Co., Ltd. | 159029 |
1 |
| Apple Inc. | 59241 |
1 |
| Qualcomm Incorporated | 93376 |
1 |
| Siemens AG | 23956 |
1 |
| The Regents of the University of California | 20902 |
1 |
| International Business Machines Corporation | 62805 |
1 |
| Other owners | 47 |