- 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: 696
10-year publication summary
|
47
|
66
|
83
|
107
|
74
|
63
|
66
|
54
|
51
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 138518 |
39 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4792 |
37 |
| Nippon Telegraph and Telephone Corporation | 16244 |
29 |
| Yamaha Corporation | 4074 |
26 |
| Huawei Technologies Co., Ltd. | 106498 |
19 |
| Fujitsu Limited | 18419 |
17 |
| Google LLC | 40754 |
17 |
| Microsoft Technology Licensing, LLC | 52891 |
16 |
| Qualcomm Incorporated | 81413 |
11 |
| International Business Machines Corporation | 60075 |
11 |
| Capital One Services, LLC. | 8505 |
11 |
| Friday Harbor LLC | 30 |
10 |
| Amazon Technologies, Inc. | 25836 |
9 |
| Comcast Cable Communications, LLC | 4430 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 14012 |
9 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6130 |
9 |
| The Notebook, LLC | 17 |
9 |
| Dolby Laboratories Licensing Corporation | 4046 |
8 |
| Ericsson | 21094 |
7 |
| OmniSpeech, LLC | 10 |
7 |
| Other owners | 386 |