- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 15/20 - Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise or of stress induced speech
Patent holdings for IPC class G10L 15/20
Total number of patents in this class: 1547
10-year publication summary
|
104
|
138
|
139
|
156
|
177
|
164
|
118
|
66
|
77
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 40853 |
91 |
| Microsoft Technology Licensing, LLC | 52886 |
81 |
| Amazon Technologies, Inc. | 25909 |
76 |
| Samsung Electronics Co., Ltd. | 139001 |
66 |
| NEC Corporation | 34413 |
43 |
| Google Technology Holdings LLC | 2455 |
29 |
| International Business Machines Corporation | 60129 |
28 |
| Sony Corporation | 31541 |
26 |
| Intel Corporation | 46126 |
23 |
| Qualcomm Incorporated | 81865 |
22 |
| Huawei Technologies Co., Ltd. | 106762 |
22 |
| Honda Motor Co., Ltd. | 24866 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
18 |
| Cirrus Logic, Inc. | 1748 |
17 |
| Comcast Cable Communications, LLC | 4449 |
17 |
| Cerence Operating Company | 441 |
17 |
| Apple Inc. | 52750 |
16 |
| BlackBerry Limited | 5872 |
15 |
| Nuance Communications, Inc. | 400 |
15 |
| Tencent Technology (Shenzhen) Company Limited | 14058 |
15 |
| Other owners | 891 |