- 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: 1598
10-year publication summary
|
138
|
139
|
155
|
177
|
165
|
121
|
75
|
87
|
54
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 44796 |
101 |
| Amazon Technologies, Inc. | 28264 |
79 |
| Microsoft Technology Licensing, LLC | 54586 |
78 |
| Samsung Electronics Co., Ltd. | 159029 |
69 |
| Apple Inc. | 59241 |
38 |
| NEC Corporation | 37395 |
37 |
| International Business Machines Corporation | 62805 |
28 |
| Sony Corporation | 30052 |
26 |
| Google Technology Holdings LLC | 2049 |
26 |
| Qualcomm Incorporated | 93376 |
25 |
| Intel Corporation | 46292 |
24 |
| Huawei Technologies Co., Ltd. | 124837 |
23 |
| Comcast Cable Communications, LLC | 5234 |
22 |
| Honda Motor Co., Ltd. | 26309 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
18 |
| Cirrus Logic, Inc. | 1798 |
18 |
| Cerence Operating Company | 421 |
17 |
| Hyundai Motor Company | 24951 |
15 |
| Motorola Solutions, Inc. | 4573 |
15 |
| Tencent Technology (Shenzhen) Company Limited | 16195 |
15 |
| Other owners | 905 |