- 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: 3153
10-year publication summary
|
396
|
355
|
284
|
265
|
224
|
211
|
158
|
130
|
103
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30388 |
231 |
| LG Electronics Inc. | 75045 |
195 |
| Samsung Electronics Co., Ltd. | 154120 |
139 |
| Saturn Licensing LLC | 1449 |
118 |
| Google LLC | 43852 |
76 |
| Comcast Cable Communications, LLC | 5042 |
69 |
| The Nielsen Company (US), LLC | 2670 |
69 |
| Adeia Guides Inc. | 3751 |
69 |
| AT&T Intellectual Property I, L.P. | 9859 |
63 |
| Turner Broadcasting System, Inc. | 285 |
63 |
| Sharp Kabushiki Kaisha | 18608 |
63 |
| Roku, Inc. | 1555 |
61 |
| DISH Technologies L.L.C. | 1604 |
54 |
| Qualcomm Incorporated | 90374 |
50 |
| Sharp Corporation | 10468 |
45 |
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| Sony Group Corporation | 15204 |
41 |
| ARRIS Enterprises LLC | 3438 |
40 |
| Maxell, Ltd. | 2939 |
40 |
| Winview IP Holdings, LLC | 104 |
40 |
| Other owners | 1584 |