- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 25/90 - Pitch determination of speech signals
Patent holdings for IPC class G10L 25/90
Total number of patents in this class: 676
10-year publication summary
|
56
|
47
|
66
|
83
|
107
|
74
|
63
|
64
|
52
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
37 |
| Samsung Electronics Co., Ltd. | 131630 |
36 |
| Nippon Telegraph and Telephone Corporation | 14195 |
29 |
| Yamaha Corporation | 4054 |
26 |
| Fujitsu Limited | 19265 |
18 |
| Huawei Technologies Co., Ltd. | 100781 |
18 |
| Microsoft Technology Licensing, LLC | 51439 |
15 |
| Google LLC | 38759 |
15 |
| Capital One Services, LLC. | 7551 |
12 |
| Qualcomm Incorporated | 76576 |
11 |
| International Business Machines Corporation | 60644 |
11 |
| Friday Harbor LLC | 31 |
10 |
| Amazon Technologies, Inc. | 24422 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
9 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
9 |
| The Notebook, LLC | 19 |
9 |
| Dolby Laboratories Licensing Corporation | 3883 |
8 |
| Ericsson | 20417 |
7 |
| Comcast Cable Communications, LLC | 4075 |
7 |
| OmniSpeech, LLC | 10 |
7 |
| Other owners | 373 |