- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0388 - Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques - Details of processing therefor
Patent holdings for IPC class G10L 21/0388
Total number of patents in this class: 280
10-year publication summary
|
35
|
42
|
45
|
28
|
37
|
16
|
23
|
17
|
18
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
48 |
| Dolby International AB | 1076 |
24 |
| Sony Corporation | 32931 |
22 |
| Qualcomm Incorporated | 76576 |
20 |
| Dolby International AB | 422 |
19 |
| Nippon Telegraph and Telephone Corporation | 14195 |
10 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
10 |
| Ericsson | 20417 |
9 |
| Huawei Technologies Co., Ltd. | 100781 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Panasonic Intellectual Property Corporation of America | 7230 |
7 |
| Apple Inc. | 50209 |
5 |
| Google LLC | 38759 |
5 |
| Clarion Co., Ltd. | 896 |
4 |
| Dolby Laboratories Licensing Corporation | 3883 |
4 |
| Staton Techiya, LLC | 254 |
4 |
| Sony Group Corporation | 10730 |
4 |
| Koninklijke Philips N.V. | 22975 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| JVC Kenwood Corporation | 2774 |
3 |
| Other owners | 59 |