- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/781 - Television signal recording using magnetic recording on disks or drums
Patent holdings for IPC class H04N 5/781
Total number of patents in this class: 287
10-year publication summary
|
40
|
22
|
23
|
12
|
13
|
9
|
6
|
7
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Media Solutions Inc. | 267 |
21 |
| Maxell, Ltd. | 2681 |
15 |
| Sony Corporation | 31530 |
14 |
| Maxell Holdings, Ltd. | 1359 |
12 |
| DISH Technologies L.L.C. | 1665 |
12 |
| Apple Inc. | 52845 |
10 |
| LG Electronics Inc. | 71074 |
8 |
| Adeia Guides Inc. | 2863 |
8 |
| Samsung Electronics Co., Ltd. | 139302 |
7 |
| Verizon Patent And Licensing Inc. | 6949 |
6 |
| DIRECTV, LLC | 795 |
6 |
| Canon Inc. | 38240 |
5 |
| ARRIS Enterprises LLC | 3438 |
5 |
| The Nielsen Company (US), LLC | 2648 |
5 |
| Stripe, Inc. | 612 |
5 |
| Silicon Imaging Corporation | 5 |
5 |
| TP-Link Systems Inc. | 89 |
5 |
| Panasonic Corporation | 20313 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
4 |
| Saturn Licensing LLC | 1473 |
4 |
| Other owners | 126 |