- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/432 - Content retrieval operation from a local storage medium, e.g. hard-disk
Patent holdings for IPC class H04N 21/432
Total number of patents in this class: 1045
10-year publication summary
|
122
|
112
|
107
|
102
|
85
|
58
|
52
|
42
|
47
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3496 |
61 |
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| DISH Technologies L.L.C. | 1607 |
42 |
| Sonos, Inc. | 2703 |
40 |
| AT&T Intellectual Property I, L.P. | 9677 |
30 |
| Google LLC | 43094 |
26 |
| Samsung Electronics Co., Ltd. | 149087 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
21 |
| Adeia Media Solutions Inc. | 271 |
20 |
| Disney Enterprises, Inc. | 6171 |
19 |
| ARRIS Enterprises LLC | 3452 |
18 |
| DIRECTV, LLC | 740 |
18 |
| Adeia Media Holdings LLC | 603 |
17 |
| LG Electronics Inc. | 73772 |
16 |
| Apple Inc. | 56283 |
15 |
| RESI Media LLC | 22 |
15 |
| Sony Corporation | 30787 |
14 |
| Rovi Guides, Inc. | 903 |
14 |
| Intel Corporation | 46460 |
13 |
| Broadcom Corporation | 516 |
13 |
| Other owners | 568 |