- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech 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: 174
10-year publication summary
|
10
|
13
|
14
|
16
|
23
|
12
|
24
|
25
|
31
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 14195 |
25 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
11 |
| Yamaha Corporation | 4054 |
10 |
| Dolby International AB | 1076 |
10 |
| Anker Innovations Technology Co., Ltd | 149 |
9 |
| Sony Corporation | 32931 |
5 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| Google LLC | 38759 |
5 |
| Sony Group Corporation | 10730 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Sony Interactive Entertainment Inc. | 5162 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Airoha Technology Corp. | 174 |
2 |
| Digimarc Corporation | 787 |
2 |
| East Carolina University | 177 |
2 |
| Gree, Inc. | 704 |
2 |
| The University of Electro-Communications | 199 |
2 |
| Beijing Bytedance Network Technology Co., Ltd. | 3621 |
2 |
| Other owners | 63 |