- 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: 573
10-year publication summary
|
55
|
75
|
53
|
45
|
61
|
51
|
63
|
71
|
58
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 43988 |
32 |
| Nippon Telegraph and Telephone Corporation | 15950 |
28 |
| Samsung Electronics Co., Ltd. | 154751 |
23 |
| Dolby Laboratories Licensing Corporation | 4286 |
22 |
| Microsoft Technology Licensing, LLC | 54275 |
17 |
| Sony Group Corporation | 15263 |
16 |
| Amazon Technologies, Inc. | 27801 |
13 |
| Sony Corporation | 30353 |
12 |
| Huawei Technologies Co., Ltd. | 120888 |
12 |
| Honda Motor Co., Ltd. | 25891 |
11 |
| Nokia Technologies Oy | 20534 |
11 |
| algoriddim GmbH | 52 |
10 |
| Apple Inc. | 58208 |
9 |
| Qualcomm Incorporated | 90674 |
8 |
| NEC Corporation | 36733 |
8 |
| Hewlett-Packard Development Company, L.P. | 25337 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5196 |
8 |
| Eight Khz, LLC | 41 |
7 |
| eBay Inc. | 3424 |
6 |
| Bose Corporation | 3089 |
6 |
| Other owners | 306 |