- 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: 754
10-year publication summary
|
66
|
83
|
107
|
75
|
63
|
67
|
58
|
52
|
34
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157719 |
42 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5257 |
38 |
| Nippon Telegraph and Telephone Corporation | 15924 |
30 |
| Yamaha Corporation | 4074 |
24 |
| Huawei Technologies Co., Ltd. | 123385 |
20 |
| Fujitsu Limited | 16874 |
17 |
| Google LLC | 44482 |
17 |
| Microsoft Technology Licensing, LLC | 54466 |
16 |
| Qualcomm Incorporated | 92196 |
14 |
| International Business Machines Corporation | 62634 |
12 |
| Capital One Services, LLC. | 10004 |
12 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6117 |
11 |
| Amazon Technologies, Inc. | 28087 |
10 |
| Comcast Cable Communications, LLC | 5179 |
10 |
| Tencent Technology (Shenzhen) Company Limited | 15963 |
9 |
| The Notebook, LLC | 17 |
9 |
| Dolby Laboratories Licensing Corporation | 4320 |
8 |
| Dolby International AB | 916 |
8 |
| Ericsson | 22717 |
7 |
| OmniSpeech, LLC | 8 |
7 |
| Other owners | 433 |