- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 15/02 - Feature extraction for speech recognition; Selection of recognition unit
Patent holdings for IPC class G10L 15/02
Total number of patents in this class: 2999
10-year publication summary
|
171
|
270
|
372
|
381
|
415
|
413
|
376
|
334
|
314
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 40754 |
219 |
| Samsung Electronics Co., Ltd. | 138518 |
218 |
| Microsoft Technology Licensing, LLC | 52891 |
129 |
| Amazon Technologies, Inc. | 25836 |
116 |
| International Business Machines Corporation | 60075 |
107 |
| Tencent Technology (Shenzhen) Company Limited | 14012 |
81 |
| Baidu Online Network Technology (Beijing) Co., Ltd | 1589 |
50 |
| LG Electronics Inc. | 70898 |
47 |
| Intel Corporation | 46097 |
44 |
| Nippon Telegraph and Telephone Corporation | 16244 |
37 |
| META Platforms, Inc. | 7202 |
34 |
| Ping An Technology (Shenzhen) Co., LTD. | 5845 |
31 |
| Huawei Technologies Co., Ltd. | 106498 |
30 |
| Apple Inc. | 52607 |
29 |
| Toshiba Corporation | 12037 |
28 |
| Soundhound AI IP, LLC | 186 |
27 |
| NEC Corporation | 34337 |
23 |
| Beijing Baidu Netcom Science Technology Co., Ltd. | 1071 |
23 |
| Alibaba Group Holding Limited | 6969 |
22 |
| Soundhound AI IP Holding, LLC | 135 |
19 |
| Other owners | 1685 |