- 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: 1571
10-year publication summary
|
103
|
135
|
137
|
154
|
175
|
160
|
116
|
71
|
81
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 42510 |
97 |
| Microsoft Technology Licensing, LLC | 53854 |
81 |
| Amazon Technologies, Inc. | 26867 |
78 |
| Samsung Electronics Co., Ltd. | 147334 |
67 |
| NEC Corporation | 35879 |
43 |
| International Business Machines Corporation | 61402 |
28 |
| Sony Corporation | 30957 |
26 |
| Google Technology Holdings LLC | 2305 |
26 |
| Qualcomm Incorporated | 86153 |
25 |
| Intel Corporation | 47093 |
24 |
| Huawei Technologies Co., Ltd. | 113491 |
22 |
| Q (CUE) Ltd. | 51 |
20 |
| Honda Motor Co., Ltd. | 25379 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
18 |
| Cirrus Logic, Inc. | 1781 |
18 |
| Comcast Cable Communications, LLC | 4739 |
17 |
| Cerence Operating Company | 435 |
17 |
| Apple Inc. | 55345 |
16 |
| Tencent Technology (Shenzhen) Company Limited | 14886 |
15 |
| BlackBerry Limited | 5355 |
14 |
| Other owners | 900 |