- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech 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: 1922
10-year publication summary
|
136
|
159
|
208
|
200
|
182
|
223
|
204
|
153
|
141
|
87
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 146534 |
84 |
| Bose Corporation | 2995 |
71 |
| Amazon Technologies, Inc. | 26741 |
69 |
| Google LLC | 42292 |
67 |
| Microsoft Technology Licensing, LLC | 53739 |
58 |
| Dolby Laboratories Licensing Corporation | 4126 |
57 |
| Shenzhen Shokz Co., Ltd. | 1119 |
56 |
| Qualcomm Incorporated | 85550 |
50 |
| Nokia Technologies Oy | 17914 |
42 |
| Apple Inc. | 55017 |
40 |
| Huawei Technologies Co., Ltd. | 113006 |
32 |
| Cirrus Logic, Inc. | 1776 |
32 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4943 |
27 |
| Biamp Systems, LLC | 240 |
26 |
| Intel Corporation | 47013 |
24 |
| Hewlett-Packard Development Company, L.P. | 25869 |
20 |
| Tencent Technology (Shenzhen) Company Limited | 14799 |
20 |
| Sony Corporation | 31028 |
19 |
| Sonos, Inc. | 2621 |
19 |
| NEC Corporation | 35734 |
18 |
| Other owners | 1091 |