- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech 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: 890
10-year publication summary
|
93
|
103
|
83
|
99
|
64
|
61
|
42
|
67
|
56
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4920 |
179 |
| Qualcomm Incorporated | 84847 |
83 |
| Dolby International AB | 1035 |
68 |
| Shenzhen Shokz Co., Ltd. | 1104 |
59 |
| Dolby International AB | 625 |
47 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6110 |
45 |
| Samsung Electronics Co., Ltd. | 145025 |
43 |
| Huawei Technologies Co., Ltd. | 111764 |
43 |
| Dolby Laboratories Licensing Corporation | 4113 |
37 |
| Sony Corporation | 31107 |
20 |
| Ericsson | 21674 |
17 |
| Koninklijke Philips N.V. | 24688 |
13 |
| NTT DoCoMo, Inc. | 12856 |
12 |
| Panasonic Intellectual Property Corporation of America | 7626 |
12 |
| Crystal Clear Codec, LLC | 20 |
11 |
| Nippon Telegraph and Telephone Corporation | 17260 |
6 |
| Harman International Industries, Incorporated | 2635 |
6 |
| Friedrich-Alexander-Universität Erlangen-Nürnberg | 439 |
6 |
| LG Electronics Inc. | 72737 |
5 |
| Panasonic Corporation | 20142 |
5 |
| Other owners | 173 |