- 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: 226
10-year publication summary
|
17
|
20
|
19
|
20
|
24
|
31
|
27
|
16
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snap Inc. | 6427 |
11 |
| LG Electronics Inc. | 74502 |
10 |
| Sorenson IP Holdings, LLC | 309 |
10 |
| Sony Corporation | 30568 |
7 |
| Saturn Licensing LLC | 1448 |
7 |
| Tencent Technology (Shenzhen) Company Limited | 15561 |
6 |
| Adeia Guides Inc. | 3637 |
6 |
| Samsung Electronics Co., Ltd. | 152016 |
5 |
| Beijing Zitiao Network Technology Co., Ltd. | 5651 |
5 |
| NEC Corporation | 36475 |
4 |
| Panasonic Corporation | 19859 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22204 |
4 |
| Tribune Broadcasting Company, LLC | 56 |
4 |
| Sony Group Corporation | 14964 |
4 |
| International Business Machines Corporation | 62002 |
3 |
| Thomson Licensing | 3333 |
3 |
| ZTE Corporation | 43427 |
3 |
| Microsoft Technology Licensing, LLC | 54189 |
3 |
| Dolby Laboratories Licensing Corporation | 4244 |
3 |
| Netflix, Inc. | 1216 |
3 |
| Other owners | 121 |