- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/48 - Tubes with amplification of output effected by electron-multiplier arrangements within the vacuum space
Patent holdings for IPC class H01J 31/48
Total number of patents in this class: 13
10-year publication summary
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0
|
0
|
0
|
1
|
4
|
1
|
0
|
1
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0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 6816 |
2 |
| Hamamatsu Photonics K.K. | 4161 |
2 |
| Photonis France | 53 |
2 |
| EOTech, LLC | 82 |
2 |
| FEI Company | 851 |
1 |
| Intevac, Inc. | 127 |
1 |
| Photonis France SAS | 5 |
1 |
| Technical University of Denmark | 169 |
1 |
| Virgin Islands Microsystems, Inc. | 51 |
1 |
| Other owners | 0 |