- 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: 720
10-year publication summary
|
47
|
65
|
82
|
104
|
74
|
62
|
67
|
53
|
51
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147787 |
42 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5010 |
38 |
| Nippon Telegraph and Telephone Corporation | 17324 |
30 |
| Yamaha Corporation | 4077 |
25 |
| Huawei Technologies Co., Ltd. | 114071 |
19 |
| Fujitsu Limited | 18087 |
17 |
| Google LLC | 42628 |
17 |
| Microsoft Technology Licensing, LLC | 53968 |
16 |
| International Business Machines Corporation | 61537 |
12 |
| Qualcomm Incorporated | 86648 |
11 |
| Capital One Services, LLC. | 9302 |
11 |
| Amazon Technologies, Inc. | 27003 |
10 |
| Friday Harbor LLC | 30 |
10 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6116 |
10 |
| Comcast Cable Communications, LLC | 4780 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 14950 |
9 |
| The Notebook, LLC | 17 |
9 |
| Dolby Laboratories Licensing Corporation | 4152 |
8 |
| Dolby International AB | 660 |
8 |
| Ericsson | 21917 |
7 |
| Other owners | 402 |