- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/038 - Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Patent holdings for IPC class G10L 21/038
Total number of patents in this class: 807
10-year publication summary
|
89
|
93
|
103
|
83
|
99
|
63
|
59
|
41
|
62
|
12
|
| 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 |
161 |
| Qualcomm Incorporated | 76576 |
83 |
| Dolby International AB | 1076 |
68 |
| Shenzhen Shokz Co., Ltd. | 629 |
48 |
| Samsung Electronics Co., Ltd. | 131630 |
40 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
40 |
| Huawei Technologies Co., Ltd. | 100781 |
39 |
| Dolby Laboratories Licensing Corporation | 3883 |
34 |
| Dolby International AB | 422 |
30 |
| Sony Corporation | 32931 |
20 |
| Ericsson | 20417 |
15 |
| Koninklijke Philips N.V. | 22975 |
14 |
| Panasonic Intellectual Property Corporation of America | 7230 |
12 |
| NTT DoCoMo, Inc. | 11501 |
10 |
| Crystal Clear Codec, LLC | 21 |
10 |
| Nippon Telegraph and Telephone Corporation | 14195 |
6 |
| Harman International Industries, Incorporated | 2443 |
6 |
| LG Electronics Inc. | 69257 |
5 |
| Panasonic Corporation | 20786 |
5 |
| Microsoft Technology Licensing, LLC | 51439 |
5 |
| Other owners | 156 |