- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0308 - Voice signal separating characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
Patent holdings for IPC class G10L 21/0308
Total number of patents in this class: 221
10-year publication summary
|
7
|
15
|
27
|
20
|
25
|
30
|
34
|
27
|
22
|
7
|
| 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 |
33 |
| Dolby Laboratories Licensing Corporation | 3883 |
13 |
| Sony Corporation | 32931 |
11 |
| Google LLC | 38759 |
11 |
| NEC Corporation | 32703 |
8 |
| Huawei Technologies Co., Ltd. | 100781 |
8 |
| Ericsson | 20417 |
7 |
| Mitsubishi Electric Corporation | 43934 |
6 |
| Comcast Cable Communications, LLC | 4075 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Microsoft Technology Licensing, LLC | 51439 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
5 |
| Sony Group Corporation | 10730 |
5 |
| Nokia Technologies Oy | 15057 |
4 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
4 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| Hitachi, Ltd. | 16452 |
3 |
| Dolby International AB | 1076 |
3 |
| Fujitsu Limited | 19265 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Other owners | 77 |