- 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: 1897
10-year publication summary
|
136
|
159
|
208
|
200
|
182
|
224
|
203
|
152
|
140
|
64
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144675 |
82 |
| Amazon Technologies, Inc. | 26528 |
68 |
| Bose Corporation | 2971 |
68 |
| Google LLC | 41934 |
67 |
| Shenzhen Shokz Co., Ltd. | 1088 |
56 |
| Microsoft Technology Licensing, LLC | 53577 |
55 |
| Dolby Laboratories Licensing Corporation | 4107 |
55 |
| Qualcomm Incorporated | 84760 |
50 |
| Nokia Technologies Oy | 17625 |
41 |
| Apple Inc. | 54577 |
40 |
| Huawei Technologies Co., Ltd. | 111449 |
32 |
| Cirrus Logic, Inc. | 1771 |
32 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4914 |
27 |
| Intel Corporation | 46833 |
24 |
| Biamp Systems, LLC | 237 |
23 |
| Hewlett-Packard Development Company, L.P. | 25933 |
20 |
| Tencent Technology (Shenzhen) Company Limited | 14607 |
20 |
| Sony Corporation | 31124 |
19 |
| Sonos, Inc. | 2565 |
19 |
| NEC Corporation | 35471 |
18 |
| Other owners | 1081 |