- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 21/007 - Changing voice quality, e.g. pitch or formants characterised by the process used
Patent holdings for IPC class G10L 21/007
Total number of patents in this class: 231
10-year publication summary
|
12
|
14
|
16
|
23
|
12
|
23
|
25
|
31
|
35
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 16975 |
31 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5015 |
17 |
| Yamaha Corporation | 4077 |
10 |
| Dolby International AB | 1028 |
10 |
| Anker Innovations Technology Co., Ltd | 296 |
9 |
| Sony Group Corporation | 14299 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 14960 |
7 |
| Sony Corporation | 30910 |
5 |
| Huawei Technologies Co., Ltd. | 114320 |
5 |
| Google LLC | 42673 |
5 |
| Beijing Zitiao Network Technology Co., Ltd. | 4694 |
4 |
| International Business Machines Corporation | 61596 |
3 |
| Microsoft Technology Licensing, LLC | 54000 |
3 |
| Widex A/S | 763 |
3 |
| Samsung Electronics Co., Ltd. | 147983 |
2 |
| Qualcomm Incorporated | 86867 |
2 |
| Intel Corporation | 47239 |
2 |
| Airoha Technology Corp. | 182 |
2 |
| Digimarc Corporation | 732 |
2 |
| East Carolina University | 183 |
2 |
| Other owners | 98 |