- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 15/02 - Feature extraction for speech recognitionSelection of recognition unit
Patent holdings for IPC class G10L 15/02
Total number of patents in this class: 3426
10-year publication summary
|
270
|
372
|
381
|
416
|
415
|
376
|
349
|
328
|
245
|
188
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 44674 |
242 |
| Samsung Electronics Co., Ltd. | 158605 |
235 |
| Amazon Technologies, Inc. | 28216 |
133 |
| Microsoft Technology Licensing, LLC | 54524 |
126 |
| International Business Machines Corporation | 62754 |
110 |
| Tencent Technology (Shenzhen) Company Limited | 16087 |
93 |
| Baidu Online Network Technology (Beijing) Co., Ltd | 1600 |
50 |
| LG Electronics Inc. | 75910 |
49 |
| Intel Corporation | 47162 |
44 |
| META Platforms, Inc. | 6891 |
39 |
| Apple Inc. | 59117 |
34 |
| Huawei Technologies Co., Ltd. | 124379 |
33 |
| Nippon Telegraph and Telephone Corporation | 15938 |
33 |
| Ping An Technology (Shenzhen) Co., LTD. | 5859 |
31 |
| Soundhound AI IP, LLC | 223 |
31 |
| Beijing Baidu Netcom Science Technology Co., Ltd. | 1367 |
29 |
| Toshiba Corporation | 12625 |
28 |
| NEC Corporation | 37227 |
23 |
| Alibaba Group Holding Limited | 6270 |
22 |
| Qualcomm Incorporated | 93006 |
21 |
| Other owners | 2020 |