- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/275 - Generation of keying signals
Patent holdings for IPC class H04N 5/275
Total number of patents in this class: 52
10-year publication summary
|
7
|
5
|
2
|
5
|
4
|
2
|
3
|
5
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Freeze Frame, LLC | 11 |
4 |
| Mo-Sys Engineering Ltd | 47 |
4 |
| Cisco Technology, Inc. | 18858 |
2 |
| Metail Limited | 34 |
2 |
| Supponor Oy | 16 |
2 |
| DROPKEY, Inc. | 5 |
2 |
| Appario Global Solutions (ags) AG | 33 |
2 |
| Sony Group Corporation | 10730 |
2 |
| Sony Corporation | 32931 |
1 |
| Advanced Micro Devices, Inc. | 5326 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| Adobe Systems Incorporated | 203 |
1 |
| Nippon Telegraph and Telephone Corporation | 14195 |
1 |
| Brandmagic Inc. | 5 |
1 |
| Crayola LLC | 177 |
1 |
| Fuso Precision Co., Ltd. | 2 |
1 |
| Grass Valley Canada | 242 |
1 |
| Guangzhou Huaduo Network Technology Co., Ltd | 113 |
1 |
| Leibniz-institut für Photonische Technologien e.V. | 68 |
1 |
| Lifetouch Inc. | 23 |
1 |
| Other owners | 20 |