- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech 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: 265
10-year publication summary
|
27
|
20
|
25
|
30
|
34
|
27
|
23
|
29
|
13
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 15928 |
36 |
| Google LLC | 44565 |
14 |
| Dolby Laboratories Licensing Corporation | 4333 |
13 |
| Sony Corporation | 30139 |
11 |
| Ericsson | 22815 |
9 |
| NEC Corporation | 37064 |
8 |
| Mitsubishi Electric Corporation | 48097 |
8 |
| Huawei Technologies Co., Ltd. | 123677 |
8 |
| Samsung Electronics Co., Ltd. | 158156 |
7 |
| Comcast Cable Communications, LLC | 5193 |
7 |
| Sony Group Corporation | 15745 |
7 |
| Microsoft Technology Licensing, LLC | 54464 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5265 |
5 |
| Nokia Technologies Oy | 21366 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 16006 |
5 |
| Beijing Zitiao Network Technology Co., Ltd. | 6648 |
4 |
| Hewlett-Packard Development Company, L.P. | 25175 |
3 |
| Hitachi, Ltd. | 16146 |
3 |
| Mitsubishi Electric Research Laboratories, Inc. | 1124 |
3 |
| Dolby International AB | 921 |
3 |
| Other owners | 101 |