- 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: 3294
10-year publication summary
|
265
|
370
|
375
|
405
|
404
|
375
|
344
|
319
|
241
|
54
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 43553 |
236 |
| Samsung Electronics Co., Ltd. | 152304 |
232 |
| Amazon Technologies, Inc. | 27555 |
130 |
| Microsoft Technology Licensing, LLC | 54220 |
129 |
| International Business Machines Corporation | 62049 |
110 |
| Tencent Technology (Shenzhen) Company Limited | 15577 |
89 |
| Baidu Online Network Technology (Beijing) Co., Ltd | 1585 |
50 |
| LG Electronics Inc. | 74619 |
49 |
| Intel Corporation | 46597 |
44 |
| Nippon Telegraph and Telephone Corporation | 16263 |
41 |
| META Platforms, Inc. | 6936 |
39 |
| Apple Inc. | 57432 |
33 |
| Huawei Technologies Co., Ltd. | 118879 |
32 |
| Ping An Technology (Shenzhen) Co., LTD. | 5846 |
31 |
| Soundhound AI IP, LLC | 211 |
31 |
| Toshiba Corporation | 12608 |
28 |
| Beijing Baidu Netcom Science Technology Co., Ltd. | 1297 |
28 |
| NEC Corporation | 36475 |
22 |
| Alibaba Group Holding Limited | 6914 |
22 |
| Adeia Guides Inc. | 3652 |
19 |
| Other owners | 1899 |