- 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: 3171
10-year publication summary
|
396
|
355
|
284
|
265
|
224
|
211
|
158
|
130
|
104
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30097 |
231 |
| LG Electronics Inc. | 75910 |
192 |
| Samsung Electronics Co., Ltd. | 158605 |
142 |
| Saturn Licensing LLC | 1440 |
118 |
| Google LLC | 44674 |
76 |
| Adeia Guides Inc. | 3969 |
72 |
| Comcast Cable Communications, LLC | 5202 |
70 |
| The Nielsen Company (US), LLC | 2703 |
69 |
| AT&T Intellectual Property I, L.P. | 10013 |
63 |
| Turner Broadcasting System, Inc. | 288 |
63 |
| Sharp Kabushiki Kaisha | 18495 |
63 |
| Roku, Inc. | 1623 |
61 |
| DISH Technologies L.L.C. | 1600 |
54 |
| Qualcomm Incorporated | 93006 |
50 |
| Sharp Corporation | 10847 |
45 |
| Multimedia Technologies Pte, Ltd | 61 |
44 |
| Sony Group Corporation | 15879 |
42 |
| ARRIS Enterprises LLC | 3400 |
41 |
| Maxell, Ltd. | 3066 |
40 |
| Winview IP Holdings, LLC | 101 |
40 |
| Other owners | 1595 |