- 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: 1541
10-year publication summary
104
|
138
|
139
|
156
|
177
|
164
|
118
|
65
|
76
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Google LLC | 40800 |
91 |
Microsoft Technology Licensing, LLC | 52893 |
81 |
Amazon Technologies, Inc. | 25884 |
76 |
Samsung Electronics Co., Ltd. | 138729 |
66 |
NEC Corporation | 34371 |
43 |
Google Technology Holdings LLC | 2459 |
29 |
International Business Machines Corporation | 60095 |
28 |
Sony Corporation | 31550 |
26 |
Intel Corporation | 46119 |
23 |
Qualcomm Incorporated | 81758 |
22 |
Huawei Technologies Co., Ltd. | 106664 |
22 |
Honda Motor Co., Ltd. | 24868 |
19 |
Panasonic Intellectual Property Management Co., Ltd. | 29687 |
18 |
Cirrus Logic, Inc. | 1749 |
17 |
Comcast Cable Communications, LLC | 4441 |
17 |
Cerence Operating Company | 441 |
17 |
Apple Inc. | 52680 |
16 |
BlackBerry Limited | 5878 |
15 |
Nuance Communications, Inc. | 400 |
15 |
Tencent Technology (Shenzhen) Company Limited | 14027 |
15 |
Other owners | 885 |