- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/278 - Subtitling
Patent holdings for IPC class H04N 5/278
Total number of patents in this class: 219
10-year publication summary
|
27
|
17
|
20
|
20
|
20
|
24
|
30
|
27
|
15
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 71584 |
10 |
| Snap Inc. | 5471 |
10 |
| Sorenson IP Holdings, LLC | 292 |
10 |
| Sony Corporation | 31442 |
8 |
| Saturn Licensing LLC | 1474 |
7 |
| Tencent Technology (Shenzhen) Company Limited | 14270 |
6 |
| Samsung Electronics Co., Ltd. | 140839 |
5 |
| Beijing Zitiao Network Technology Co., Ltd. | 3479 |
5 |
| NEC Corporation | 34763 |
4 |
| Panasonic Corporation | 20280 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20314 |
4 |
| Tribune Broadcasting Company, LLC | 56 |
4 |
| Adeia Guides Inc. | 2949 |
4 |
| International Business Machines Corporation | 60411 |
3 |
| Thomson Licensing | 3749 |
3 |
| ZTE Corporation | 41378 |
3 |
| Netflix, Inc. | 1048 |
3 |
| Sony Interactive Entertainment Inc. | 5622 |
3 |
| SZ DJI Technology Co., Ltd | 6823 |
3 |
| Lambda Systems Inc. | 5 |
3 |
| Other owners | 117 |