- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0208 - Noise filtering
Patent holdings for IPC class G10L 21/0208
Total number of patents in this class: 2747
10-year publication summary
|
237
|
225
|
238
|
277
|
321
|
343
|
328
|
277
|
249
|
67
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
127 |
| Dolby Laboratories Licensing Corporation | 3883 |
110 |
| Amazon Technologies, Inc. | 24422 |
89 |
| Microsoft Technology Licensing, LLC | 51439 |
87 |
| Google LLC | 38759 |
80 |
| Bose Corporation | 2880 |
66 |
| Apple Inc. | 50209 |
56 |
| Qualcomm Incorporated | 76576 |
46 |
| NEC Corporation | 32703 |
43 |
| Huawei Technologies Co., Ltd. | 100781 |
43 |
| Cirrus Logic, Inc. | 1719 |
43 |
| Shenzhen Shokz Co., Ltd. | 629 |
43 |
| Sony Corporation | 32931 |
39 |
| Intel Corporation | 45621 |
37 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
37 |
| Nippon Telegraph and Telephone Corporation | 14195 |
32 |
| International Business Machines Corporation | 60644 |
30 |
| Sonos, Inc. | 2274 |
29 |
| BlackBerry Limited | 5958 |
26 |
| Cerence Operating Company | 447 |
25 |
| Other owners | 1659 |