- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 21/00 - Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
Patent holdings for IPC class G10L 21/00
Total number of patents in this class: 2839
10-year publication summary
|
269
|
214
|
209
|
148
|
126
|
76
|
75
|
43
|
30
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 53739 |
277 |
| Google LLC | 42292 |
192 |
| Samsung Electronics Co., Ltd. | 146534 |
129 |
| Amazon Technologies, Inc. | 26741 |
107 |
| Apple Inc. | 55017 |
62 |
| Qualcomm Incorporated | 85550 |
51 |
| International Business Machines Corporation | 61287 |
47 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4943 |
47 |
| Huawei Technologies Co., Ltd. | 113006 |
46 |
| Dolby Laboratories Licensing Corporation | 4126 |
40 |
| Dolby International AB | 1033 |
35 |
| LG Electronics Inc. | 73210 |
32 |
| Avago Technologies International Sales Pte. Limited | 8752 |
28 |
| Sony Corporation | 31028 |
26 |
| Malikie Innovations Limited | 7127 |
23 |
| Fujitsu Limited | 18389 |
21 |
| NEC Corporation | 35734 |
20 |
| Cerence Operating Company | 436 |
20 |
| ST Portfolio Holdings, LLC | 235 |
20 |
| Google Technology Holdings LLC | 2317 |
18 |
| Other owners | 1598 |