- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/435 - Processing of additional data, e.g. decrypting of additional data or reconstructing software from modules extracted from the transport stream
Patent holdings for IPC class H04N 21/435
Total number of patents in this class: 3053
10-year publication summary
|
474
|
427
|
395
|
354
|
283
|
266
|
224
|
207
|
155
|
44
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
239 |
| LG Electronics Inc. | 69257 |
201 |
| Samsung Electronics Co., Ltd. | 131630 |
130 |
| Saturn Licensing LLC | 1502 |
118 |
| Google LLC | 38759 |
75 |
| AT&T Intellectual Property I, L.P. | 9886 |
73 |
| Rovi Guides, Inc. | 3236 |
71 |
| Roku, Inc. | 1151 |
69 |
| The Nielsen Company (US), LLC | 2549 |
66 |
| Sharp Kabushiki Kaisha | 18957 |
63 |
| Turner Broadcasting System, Inc. | 276 |
59 |
| Comcast Cable Communications, LLC | 4075 |
55 |
| DISH Technologies L.L.C. | 1666 |
55 |
| Qualcomm Incorporated | 76576 |
45 |
| Sharp Corporation | 10015 |
44 |
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| Winview IP Holdings, LLC | 119 |
42 |
| TiVo Solutions Inc. | 287 |
38 |
| ARRIS Enterprises LLC | 3432 |
35 |
| Maxell, Ltd. | 2533 |
29 |
| Other owners | 1503 |