- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech 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: 709
10-year publication summary
|
47
|
66
|
83
|
107
|
74
|
63
|
67
|
56
|
51
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144143 |
42 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4898 |
38 |
| Nippon Telegraph and Telephone Corporation | 17157 |
30 |
| Yamaha Corporation | 4092 |
26 |
| Huawei Technologies Co., Ltd. | 110995 |
19 |
| Fujitsu Limited | 18356 |
17 |
| Google LLC | 41828 |
17 |
| Microsoft Technology Licensing, LLC | 53512 |
16 |
| International Business Machines Corporation | 61023 |
12 |
| Qualcomm Incorporated | 84501 |
11 |
| Capital One Services, LLC. | 9035 |
11 |
| Amazon Technologies, Inc. | 26466 |
10 |
| Friday Harbor LLC | 30 |
10 |
| Comcast Cable Communications, LLC | 4627 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 14547 |
9 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6118 |
9 |
| The Notebook, LLC | 17 |
9 |
| Dolby Laboratories Licensing Corporation | 4093 |
8 |
| Dolby International AB | 613 |
8 |
| Ericsson | 21593 |
7 |
| Other owners | 391 |