- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 21/028 - Voice signal separating using properties of sound source
Patent holdings for IPC class G10L 21/028
Total number of patents in this class: 539
10-year publication summary
|
30
|
55
|
73
|
53
|
43
|
61
|
50
|
60
|
68
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 42379 |
31 |
| Nippon Telegraph and Telephone Corporation | 17367 |
30 |
| Dolby Laboratories Licensing Corporation | 4133 |
22 |
| Samsung Electronics Co., Ltd. | 147003 |
21 |
| Microsoft Technology Licensing, LLC | 53805 |
16 |
| Sony Group Corporation | 13963 |
15 |
| Sony Corporation | 31004 |
12 |
| Huawei Technologies Co., Ltd. | 113191 |
12 |
| Honda Motor Co., Ltd. | 25335 |
11 |
| Amazon Technologies, Inc. | 26796 |
11 |
| Nokia Technologies Oy | 18175 |
10 |
| Apple Inc. | 55229 |
9 |
| Qualcomm Incorporated | 85914 |
8 |
| NEC Corporation | 35793 |
8 |
| Hewlett-Packard Development Company, L.P. | 25850 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4975 |
8 |
| algoriddim GmbH | 50 |
8 |
| Eight Khz, LLC | 41 |
7 |
| eBay Inc. | 3375 |
6 |
| Bose Corporation | 2999 |
6 |
| Other owners | 280 |