- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech 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: 457
10-year publication summary
|
16
|
32
|
55
|
75
|
53
|
45
|
62
|
48
|
59
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 14195 |
28 |
| Google LLC | 38759 |
24 |
| Dolby Laboratories Licensing Corporation | 3883 |
20 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Microsoft Technology Licensing, LLC | 51439 |
13 |
| Honda Motor Co., Ltd. | 24537 |
12 |
| Sony Corporation | 32931 |
12 |
| Huawei Technologies Co., Ltd. | 100781 |
10 |
| Amazon Technologies, Inc. | 24422 |
10 |
| Nokia Technologies Oy | 15057 |
10 |
| algoriddim GmbH | 49 |
10 |
| Sony Group Corporation | 10730 |
9 |
| NEC Corporation | 32703 |
8 |
| Hewlett-Packard Development Company, L.P. | 28538 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
8 |
| Qualcomm Incorporated | 76576 |
7 |
| Apple Inc. | 50209 |
6 |
| Eight Khz, LLC | 40 |
6 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| eBay Inc. | 3298 |
5 |
| Other owners | 232 |