- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/27 - Picture reproducers using cathode ray tubes with variable depth of penetration of electron beam into the luminescent layer, e.g. penetrons
Patent holdings for IPC class H04N 9/27
Total number of patents in this class: 3
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Taiwan University | 1330 |
1 |
| Lite-On Technology Corporation | 902 |
1 |
| Buffalo Pacific LLC | 8 |
1 |
| Other owners | 0 |