- 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: 139
10-year publication summary
|
13
|
24
|
17
|
13
|
10
|
10
|
5
|
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 | 16250 |
22 |
| Dolby International AB | 1027 |
13 |
| NTT DoCoMo, Inc. | 14129 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 15602 |
8 |
| Microsoft Technology Licensing, LLC | 54234 |
7 |
| Qualcomm Incorporated | 89620 |
6 |
| The University of Tokyo | 4304 |
6 |
| Inscape Data, Inc. | 116 |
6 |
| Dolby International AB | 758 |
6 |
| Samsung Electronics Co., Ltd. | 152716 |
4 |
| Continental Automotive Systems, Inc. | 1106 |
3 |
| Google LLC | 43621 |
3 |
| Starkey Laboratories, Inc. | 1324 |
3 |
| International Business Machines Corporation | 62111 |
2 |
| AT&T Intellectual Property I, L.P. | 9827 |
2 |
| Panasonic Corporation | 19835 |
2 |
| Alibaba Group Holding Limited | 6913 |
2 |
| Amazon Technologies, Inc. | 27626 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5186 |
2 |
| Cirrus Logic, Inc. | 1791 |
2 |
| Other owners | 29 |