- 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: 940
10-year publication summary
|
103
|
83
|
99
|
64
|
61
|
44
|
70
|
62
|
64
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5269 |
210 |
| Qualcomm Incorporated | 92859 |
83 |
| Dolby International AB | 1012 |
70 |
| Shenzhen Shokz Co., Ltd. | 1414 |
59 |
| Dolby International AB | 915 |
53 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6111 |
47 |
| Huawei Technologies Co., Ltd. | 124115 |
44 |
| Samsung Electronics Co., Ltd. | 158442 |
43 |
| Dolby Laboratories Licensing Corporation | 4351 |
38 |
| Sony Corporation | 30111 |
20 |
| Ericsson | 22880 |
17 |
| Koninklijke Philips N.V. | 25938 |
13 |
| NTT DoCoMo, Inc. | 14854 |
12 |
| Panasonic Intellectual Property Corporation of America | 7231 |
12 |
| Crystal Clear Codec, LLC | 26 |
11 |
| Nippon Telegraph and Telephone Corporation | 15939 |
6 |
| Harman International Industries, Incorporated | 2884 |
6 |
| Friedrich-Alexander-Universität Erlangen-Nürnberg | 429 |
6 |
| Voiceage EVS LLC | 22 |
6 |
| ST Portfolio Holdings, LLC | 259 |
6 |
| Other owners | 178 |