- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech 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: 1533
10-year publication summary
|
133
|
104
|
138
|
139
|
156
|
176
|
162
|
109
|
64
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 51439 |
87 |
| Google LLC | 38759 |
84 |
| Amazon Technologies, Inc. | 24422 |
69 |
| Samsung Electronics Co., Ltd. | 131630 |
62 |
| NEC Corporation | 32703 |
43 |
| International Business Machines Corporation | 60644 |
32 |
| Google Technology Holdings LLC | 2658 |
28 |
| Sony Corporation | 32931 |
26 |
| Intel Corporation | 45621 |
24 |
| Huawei Technologies Co., Ltd. | 100781 |
22 |
| Honda Motor Co., Ltd. | 24537 |
21 |
| Qualcomm Incorporated | 76576 |
20 |
| Apple Inc. | 50209 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
17 |
| Nuance Communications, Inc. | 450 |
17 |
| Cerence Operating Company | 447 |
17 |
| Cirrus Logic, Inc. | 1719 |
16 |
| Comcast Cable Communications, LLC | 4075 |
16 |
| BlackBerry Limited | 5958 |
15 |
| Mitsubishi Electric Corporation | 43934 |
15 |
| Other owners | 885 |