- 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: 1939
10-year publication summary
|
133
|
155
|
206
|
196
|
181
|
221
|
203
|
155
|
141
|
102
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147983 |
84 |
| Bose Corporation | 3001 |
72 |
| Amazon Technologies, Inc. | 27025 |
69 |
| Google LLC | 42673 |
67 |
| Microsoft Technology Licensing, LLC | 54000 |
59 |
| Dolby Laboratories Licensing Corporation | 4156 |
57 |
| Shenzhen Shokz Co., Ltd. | 1145 |
56 |
| Qualcomm Incorporated | 86867 |
50 |
| Nokia Technologies Oy | 18494 |
42 |
| Apple Inc. | 55640 |
39 |
| Huawei Technologies Co., Ltd. | 114320 |
34 |
| Cirrus Logic, Inc. | 1784 |
32 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5015 |
27 |
| Biamp Systems, LLC | 241 |
26 |
| Intel Corporation | 47239 |
24 |
| Hewlett-Packard Development Company, L.P. | 25769 |
20 |
| Tencent Technology (Shenzhen) Company Limited | 14960 |
20 |
| Sony Corporation | 30910 |
19 |
| Sonos, Inc. | 2660 |
19 |
| Synaptics Incorporated | 1805 |
19 |
| Other owners | 1104 |