- 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: 55
10-year publication summary
|
2
|
5
|
4
|
2
|
3
|
5
|
9
|
3
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mediabook, Inc. | 7 |
6 |
| Mo-Sys Engineering Ltd | 49 |
4 |
| Cisco Technology, Inc. | 22452 |
2 |
| Freeze Frame, LLC | 7 |
2 |
| Metail Limited | 31 |
2 |
| Supponor Oy | 16 |
2 |
| Sony Group Corporation | 15493 |
2 |
| Sony Corporation | 30263 |
1 |
| Robert Bosch GmbH | 44045 |
1 |
| Advanced Micro Devices, Inc. | 6120 |
1 |
| Nitto Denko Corporation | 8517 |
1 |
| Adobe Systems Incorporated | 175 |
1 |
| Nippon Telegraph and Telephone Corporation | 15922 |
1 |
| Brandmagic Inc. | 7 |
1 |
| Crayola LLC | 197 |
1 |
| Fuso Precision Co., Ltd. | 1 |
1 |
| Grass Valley Canada | 199 |
1 |
| Guangzhou Huaduo Network Technology Co., Ltd | 115 |
1 |
| Leibniz-institut für Photonische Technologien e.V. | 73 |
1 |
| Lifetouch Inc. | 19 |
1 |
| Other owners | 22 |