- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 25/12 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the type of extracted parameters the extracted parameters being prediction coefficients
Patent holdings for IPC class G10L 25/12
Total number of patents in this class: 140
10-year publication summary
|
13
|
24
|
17
|
13
|
11
|
10
|
6
|
5
|
5
|
2
|
| 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 | 15933 |
21 |
| Dolby International AB | 1012 |
13 |
| NTT DoCoMo, Inc. | 14952 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 16164 |
8 |
| Microsoft Technology Licensing, LLC | 54554 |
7 |
| Qualcomm Incorporated | 93172 |
6 |
| The University of Tokyo | 4386 |
6 |
| Inscape Data, Inc. | 117 |
6 |
| Dolby International AB | 919 |
6 |
| Samsung Electronics Co., Ltd. | 158842 |
4 |
| Starkey Laboratories, Inc. | 1385 |
4 |
| Continental Automotive Systems, Inc. | 1020 |
3 |
| Google LLC | 44743 |
3 |
| Ntt, Inc. | 4556 |
3 |
| International Business Machines Corporation | 62769 |
2 |
| AT&T Intellectual Property I, L.P. | 10025 |
2 |
| Panasonic Corporation | 18751 |
2 |
| Alibaba Group Holding Limited | 6270 |
2 |
| Amazon Technologies, Inc. | 28236 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5285 |
2 |
| Other owners | 29 |