- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/233 - Processing of audio elementary streams
Patent holdings for IPC class H04N 21/233
Total number of patents in this class: 1135
10-year publication summary
|
119
|
167
|
134
|
132
|
103
|
122
|
116
|
79
|
106
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 42673 |
63 |
| Turner Broadcasting System, Inc. | 285 |
31 |
| The Nielsen Company (US), LLC | 2662 |
30 |
| Samsung Electronics Co., Ltd. | 147983 |
29 |
| LG Electronics Inc. | 73690 |
28 |
| AT&T Intellectual Property I, L.P. | 9599 |
26 |
| Amazon Technologies, Inc. | 27025 |
25 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5015 |
25 |
| Sony Group Corporation | 14299 |
25 |
| Comcast Cable Communications, LLC | 4789 |
22 |
| Tencent Technology (Shenzhen) Company Limited | 14960 |
22 |
| Sony Corporation | 30910 |
21 |
| DISH Network L.L.C. | 897 |
20 |
| Adeia Guides Inc. | 3412 |
20 |
| Nokia Technologies Oy | 18494 |
19 |
| Sony Interactive Entertainment LLC | 2087 |
18 |
| ARRIS Enterprises LLC | 3473 |
15 |
| Microsoft Technology Licensing, LLC | 54000 |
14 |
| DISH Technologies L.L.C. | 1608 |
13 |
| Sonos, Inc. | 2660 |
12 |
| Other owners | 657 |