- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0264 - Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
Patent holdings for IPC class G10L 21/0264
Total number of patents in this class: 331
10-year publication summary
|
45
|
39
|
39
|
39
|
37
|
19
|
28
|
33
|
27
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4046 |
19 |
| Nippon Telegraph and Telephone Corporation | 16244 |
15 |
| NEC Corporation | 34337 |
13 |
| Tencent Technology (Shenzhen) Company Limited | 14012 |
8 |
| Samsung Electronics Co., Ltd. | 138518 |
7 |
| Amazon Technologies, Inc. | 25836 |
7 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4792 |
7 |
| Cirrus Logic, Inc. | 1748 |
7 |
| ClearOne Inc. | 132 |
7 |
| Apple Inc. | 52607 |
6 |
| Microsoft Technology Licensing, LLC | 52891 |
6 |
| The Nielsen Company (US), LLC | 2640 |
6 |
| Sonos, Inc. | 2454 |
6 |
| Synaptics Incorporated | 1782 |
6 |
| Mitsubishi Electric Corporation | 44738 |
5 |
| Google Technology Holdings LLC | 2463 |
5 |
| Google LLC | 40754 |
5 |
| Friday Harbor LLC | 30 |
5 |
| BlackBerry Limited | 5879 |
4 |
| Qualcomm Incorporated | 81413 |
4 |
| Other owners | 183 |