- 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: 1060
10-year publication summary
|
141
|
124
|
114
|
109
|
105
|
85
|
58
|
51
|
40
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
73 |
| DISH Technologies L.L.C. | 1666 |
43 |
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| Sonos, Inc. | 2274 |
34 |
| AT&T Intellectual Property I, L.P. | 9886 |
32 |
| Samsung Electronics Co., Ltd. | 131630 |
28 |
| Google LLC | 38759 |
26 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
21 |
| TiVo Solutions Inc. | 287 |
20 |
| Disney Enterprises, Inc. | 6012 |
19 |
| LG Electronics Inc. | 69257 |
18 |
| ARRIS Enterprises LLC | 3432 |
18 |
| DIRECTV, LLC | 812 |
18 |
| TiVo Corporation | 462 |
17 |
| Intel Corporation | 45621 |
16 |
| Sony Corporation | 32931 |
15 |
| Saturn Licensing LLC | 1502 |
15 |
| Apple Inc. | 50209 |
14 |
| Broadcom Corporation | 545 |
13 |
| Maxell, Ltd. | 2533 |
13 |
| Other owners | 564 |