- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech 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: 2940
10-year publication summary
|
72
|
142
|
234
|
314
|
407
|
476
|
583
|
507
|
355
|
119
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
127 |
| Samsung Electronics Co., Ltd. | 131630 |
99 |
| International Business Machines Corporation | 60644 |
75 |
| Microsoft Technology Licensing, LLC | 51439 |
75 |
| Yamaha Corporation | 4054 |
63 |
| NEC Corporation | 32703 |
54 |
| Amazon Technologies, Inc. | 24422 |
53 |
| Sony Corporation | 32931 |
52 |
| Nippon Telegraph and Telephone Corporation | 14195 |
50 |
| Apple Inc. | 50209 |
41 |
| Rovi Guides, Inc. | 3236 |
35 |
| Cirrus Logic, Inc. | 1719 |
31 |
| Qualcomm Incorporated | 76576 |
30 |
| Dolby Laboratories Licensing Corporation | 3883 |
30 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
29 |
| Intel Corporation | 45621 |
28 |
| Gracenote, Inc. | 408 |
27 |
| The Nielsen Company (US), LLC | 2549 |
26 |
| LG Electronics Inc. | 69257 |
25 |
| Sony Group Corporation | 10730 |
25 |
| Other owners | 1965 |