- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/02 - Speech enhancement, e.g. noise reduction or echo cancellation
Patent holdings for IPC class G10L 21/02
Total number of patents in this class: 2088
10-year publication summary
119
|
127
|
118
|
140
|
116
|
121
|
113
|
101
|
85
|
22
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
92 |
Qualcomm Incorporated | 76576 |
77 |
Huawei Technologies Co., Ltd. | 100781 |
77 |
Dolby Laboratories Licensing Corporation | 3883 |
76 |
NEC Corporation | 32703 |
60 |
Microsoft Technology Licensing, LLC | 51439 |
53 |
Amazon Technologies, Inc. | 24422 |
35 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
30 |
Google LLC | 38759 |
29 |
Nuance Communications, Inc. | 450 |
27 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
26 |
Dolby International AB | 1076 |
26 |
Malikie Innovations Limited | 7703 |
26 |
Fujitsu Limited | 19265 |
25 |
BlackBerry Limited | 5958 |
24 |
Nokia Corporation | 6965 |
24 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
24 |
Avago Technologies International Sales Pte. Limited | 9260 |
23 |
Panasonic Corporation | 20786 |
22 |
Mitsubishi Electric Corporation | 43934 |
21 |
Other owners | 1291 |