- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 25/51 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination
Patent holdings for IPC class G10L 25/51
Total number of patents in this class: 3413
10-year publication summary
|
141
|
233
|
312
|
404
|
472
|
584
|
511
|
371
|
337
|
238
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 43134 |
146 |
| Samsung Electronics Co., Ltd. | 149198 |
131 |
| Microsoft Technology Licensing, LLC | 54340 |
76 |
| International Business Machines Corporation | 61747 |
73 |
| Amazon Technologies, Inc. | 27247 |
67 |
| Yamaha Corporation | 4062 |
64 |
| Nippon Telegraph and Telephone Corporation | 16319 |
59 |
| NEC Corporation | 36282 |
56 |
| Sony Corporation | 30769 |
51 |
| Apple Inc. | 56466 |
49 |
| Dolby Laboratories Licensing Corporation | 4205 |
46 |
| Gracenote, Inc. | 487 |
44 |
| Adeia Guides Inc. | 3506 |
39 |
| Cirrus Logic, Inc. | 1788 |
35 |
| Sony Group Corporation | 14570 |
35 |
| Qualcomm Incorporated | 87720 |
34 |
| Fractal Networks LLC | 33 |
32 |
| Intel Corporation | 46471 |
31 |
| The Nielsen Company (US), LLC | 2652 |
30 |
| Tencent Technology (Shenzhen) Company Limited | 15192 |
30 |
| Other owners | 2285 |