- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0216 - Noise filtering characterised by the method used for estimating noise
Patent holdings for IPC class G10L 21/0216
Total number of patents in this class: 1816
10-year publication summary
|
136
|
159
|
208
|
199
|
181
|
223
|
195
|
141
|
137
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 139001 |
75 |
| Bose Corporation | 2921 |
67 |
| Amazon Technologies, Inc. | 25909 |
64 |
| Google LLC | 40853 |
63 |
| Microsoft Technology Licensing, LLC | 52886 |
54 |
| Dolby Laboratories Licensing Corporation | 4057 |
54 |
| Shenzhen Shokz Co., Ltd. | 933 |
53 |
| Qualcomm Incorporated | 81865 |
49 |
| Apple Inc. | 52750 |
40 |
| Nokia Technologies Oy | 16542 |
39 |
| Cirrus Logic, Inc. | 1748 |
32 |
| Huawei Technologies Co., Ltd. | 106762 |
30 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4806 |
27 |
| Intel Corporation | 46126 |
23 |
| Biamp Systems, LLC | 230 |
21 |
| Hewlett-Packard Development Company, L.P. | 27461 |
20 |
| Sony Corporation | 31541 |
19 |
| Tencent Technology (Shenzhen) Company Limited | 14058 |
19 |
| NEC Corporation | 34413 |
18 |
| Sonos, Inc. | 2462 |
18 |
| Other owners | 1031 |