- 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: 3459
10-year publication summary
|
238
|
277
|
321
|
345
|
330
|
319
|
299
|
269
|
258
|
181
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 159029 |
179 |
| Dolby Laboratories Licensing Corporation | 4379 |
139 |
| Google LLC | 44796 |
127 |
| Amazon Technologies, Inc. | 28264 |
109 |
| Microsoft Technology Licensing, LLC | 54586 |
104 |
| Bose Corporation | 3106 |
77 |
| Apple Inc. | 59241 |
70 |
| Qualcomm Incorporated | 93376 |
67 |
| Tencent Technology (Shenzhen) Company Limited | 16195 |
57 |
| Shenzhen Shokz Co., Ltd. | 1438 |
57 |
| Huawei Technologies Co., Ltd. | 124837 |
53 |
| Cirrus Logic, Inc. | 1798 |
45 |
| NEC Corporation | 37395 |
43 |
| Sonos, Inc. | 2888 |
40 |
| Intel Corporation | 46292 |
39 |
| Nippon Telegraph and Telephone Corporation | 15913 |
39 |
| Sony Corporation | 30052 |
36 |
| Biamp Systems, LLC | 357 |
35 |
| Nokia Technologies Oy | 21721 |
31 |
| International Business Machines Corporation | 62805 |
29 |
| Other owners | 2083 |