- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 3/20 - Prevention of damage to cathode-ray tubes in event of failure of scanning
Patent holdings for IPC class H04N 3/20
Total number of patents in this class: 19
10-year publication summary
|
1
|
0
|
2
|
1
|
0
|
1
|
0
|
0
|
0
|
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. | 145630 |
2 |
| Apple Inc. | 54714 |
2 |
| Intel Corporation | 46960 |
2 |
| Aevoe International Ltd. | 12 |
2 |
| LG Electronics Inc. | 72890 |
1 |
| Sony Corporation | 31080 |
1 |
| NVIDIA Corporation | 7181 |
1 |
| Realtek Semiconductor Corp. | 3281 |
1 |
| Rockwell Collins, Inc. | 2492 |
1 |
| FotoNation Limited | 360 |
1 |
| KT Corporation | 1980 |
1 |
| Magna Electronics Inc. | 1379 |
1 |
| Enuclia Semiconductor, Inc. | 5 |
1 |
| JDI Design and Development G.K. | 1184 |
1 |
| Lenovo Switzerland International GmbH | 2164 |
1 |
| Other owners | 0 |