- 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: 256
10-year publication summary
|
27
|
20
|
25
|
29
|
33
|
27
|
23
|
29
|
13
|
1
|
| 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 | 16264 |
36 |
| Google LLC | 43466 |
14 |
| Dolby Laboratories Licensing Corporation | 4240 |
13 |
| Sony Corporation | 30578 |
11 |
| Ericsson | 22176 |
9 |
| NEC Corporation | 36464 |
8 |
| Huawei Technologies Co., Ltd. | 118321 |
8 |
| Mitsubishi Electric Corporation | 47380 |
7 |
| Comcast Cable Communications, LLC | 4981 |
7 |
| Sony Group Corporation | 14939 |
7 |
| Samsung Electronics Co., Ltd. | 151726 |
6 |
| Microsoft Technology Licensing, LLC | 54199 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5157 |
5 |
| Nokia Technologies Oy | 19822 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 15533 |
4 |
| Hewlett-Packard Development Company, L.P. | 25450 |
3 |
| Hitachi, Ltd. | 15819 |
3 |
| Mitsubishi Electric Research Laboratories, Inc. | 1104 |
3 |
| Dolby International AB | 749 |
3 |
| Qualcomm Incorporated | 88980 |
2 |
| Other owners | 97 |