- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 21/0364 - Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
Patent holdings for IPC class G10L 21/0364
Total number of patents in this class: 562
10-year publication summary
|
35
|
48
|
43
|
51
|
52
|
73
|
53
|
51
|
45
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4098 |
48 |
| Samsung Electronics Co., Ltd. | 144426 |
26 |
| Google LLC | 41903 |
22 |
| Bose Corporation | 2970 |
20 |
| Dolby International AB | 1035 |
15 |
| Nippon Telegraph and Telephone Corporation | 17207 |
14 |
| Nokia Technologies Oy | 17579 |
14 |
| Amazon Technologies, Inc. | 26519 |
12 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4905 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 14578 |
11 |
| Dolby International AB | 617 |
10 |
| International Business Machines Corporation | 61123 |
8 |
| Microsoft Technology Licensing, LLC | 53545 |
8 |
| Cisco Technology, Inc. | 19655 |
7 |
| Yamaha Corporation | 4096 |
6 |
| eBay Inc. | 3365 |
6 |
| Starkey Laboratories, Inc. | 1254 |
6 |
| Sivantos Pte. Ltd. | 753 |
6 |
| Qualcomm Incorporated | 84634 |
5 |
| Cirrus Logic, Inc. | 1769 |
5 |
| Other owners | 302 |