- 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: 104
10-year publication summary
|
8
|
10
|
11
|
9
|
10
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6
|
6
|
9
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3D at Depth, Inc. | 33 |
8 |
| State Farm Mutual Automobile Insurance Company | 3292 |
6 |
| Koninklijke Philips N.V. | 25470 |
5 |
| Quanata, LLC | 361 |
5 |
| KDDI Corporation | 1092 |
3 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6109 |
3 |
| Denso Corporation | 25099 |
2 |
| Airmar Technology Corporation | 62 |
2 |
| Atlas Elektronik GmbH | 391 |
2 |
| Google LLC | 43621 |
2 |
| Teledyne Instruments, Inc. | 230 |
2 |
| TDK Electronics AG | 996 |
2 |
| Epirus, Inc. | 91 |
2 |
| Ocean Space Acoustics AS | 6 |
2 |
| Samsung Electronics Co., Ltd. | 152716 |
1 |
| Apple Inc. | 57718 |
1 |
| Qualcomm Incorporated | 89620 |
1 |
| Schlumberger Canada Limited | 7552 |
1 |
| Schlumberger Technology B.v. | 5265 |
1 |
| Schlumberger Holdings Limited | 2747 |
1 |
| Other owners | 52 |