- 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: 1037
10-year publication summary
|
91
|
125
|
171
|
136
|
135
|
103
|
125
|
118
|
76
|
44
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
57 |
| LG Electronics Inc. | 69257 |
29 |
| AT&T Intellectual Property I, L.P. | 9886 |
29 |
| Turner Broadcasting System, Inc. | 276 |
28 |
| The Nielsen Company (US), LLC | 2549 |
28 |
| Samsung Electronics Co., Ltd. | 131630 |
26 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
26 |
| Amazon Technologies, Inc. | 24422 |
21 |
| Sony Interactive Entertainment LLC | 1946 |
21 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
21 |
| Comcast Cable Communications, LLC | 4075 |
20 |
| Sony Corporation | 32931 |
18 |
| Nokia Technologies Oy | 15057 |
18 |
| DISH Network L.L.C. | 746 |
18 |
| Sony Group Corporation | 10730 |
17 |
| ARRIS Enterprises LLC | 3432 |
14 |
| Rovi Guides, Inc. | 3236 |
14 |
| Microsoft Technology Licensing, LLC | 51439 |
13 |
| DISH Technologies L.L.C. | 1666 |
13 |
| Dolby International AB | 1076 |
10 |
| Other owners | 596 |