- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/802 - Transformation of the television signal for recording, e.g. modulation, frequency changingInverse transformation for playback involving processing of the sound signal
Patent holdings for IPC class H04N 9/802
Total number of patents in this class: 126
10-year publication summary
|
19
|
24
|
27
|
27
|
11
|
6
|
9
|
7
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 139001 |
8 |
| Apple Inc. | 52750 |
7 |
| GoPro, Inc. | 1903 |
7 |
| Axon Enterprise, Inc. | 715 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
5 |
| Global Tel*Link Corporation | 430 |
5 |
| Google LLC | 40853 |
4 |
| Adeia Guides Inc. | 2847 |
4 |
| Sony Corporation | 31541 |
3 |
| Canon Inc. | 38148 |
3 |
| Microsoft Technology Licensing, LLC | 52886 |
3 |
| JVC Kenwood Corporation | 2919 |
3 |
| Nokia Technologies Oy | 16542 |
3 |
| Comcast Cable Communications, LLC | 4449 |
3 |
| Sony Semiconductor Solutions Corporation | 9714 |
3 |
| i-PRO Co., Ltd. | 389 |
3 |
| Warner Bros. Entertainment Inc. | 2294 |
2 |
| Hewlett-Packard Development Company, L.P. | 27461 |
2 |
| Ricoh Company, Ltd. | 13216 |
2 |
| Amazon Technologies, Inc. | 25909 |
2 |
| Other owners | 47 |