- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech 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: 3175
10-year publication summary
|
223
|
232
|
273
|
320
|
341
|
326
|
313
|
289
|
249
|
196
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147622 |
157 |
| Dolby Laboratories Licensing Corporation | 4152 |
130 |
| Google LLC | 42564 |
114 |
| Amazon Technologies, Inc. | 26938 |
106 |
| Microsoft Technology Licensing, LLC | 53910 |
99 |
| Bose Corporation | 2997 |
73 |
| Apple Inc. | 55446 |
68 |
| Qualcomm Incorporated | 86553 |
59 |
| Shenzhen Shokz Co., Ltd. | 1141 |
55 |
| Tencent Technology (Shenzhen) Company Limited | 14928 |
51 |
| Huawei Technologies Co., Ltd. | 113853 |
47 |
| Cirrus Logic, Inc. | 1781 |
45 |
| NEC Corporation | 36003 |
43 |
| Nippon Telegraph and Telephone Corporation | 17381 |
40 |
| Sonos, Inc. | 2647 |
40 |
| Intel Corporation | 47129 |
39 |
| Sony Corporation | 30929 |
36 |
| International Business Machines Corporation | 61471 |
28 |
| Nokia Technologies Oy | 18266 |
27 |
| Cerence Operating Company | 435 |
26 |
| Other owners | 1892 |