- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 43/02 - Tubes in which one or a few electrodes are secondary-electron-emitting electrodes
Patent holdings for IPC class H01J 43/02
Total number of patents in this class: 25
10-year publication summary
|
0
|
2
|
0
|
3
|
1
|
2
|
2
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Leica Microsystems CMS GmbH | 1080 |
4 |
| Micromass UK Limited | 1117 |
4 |
| Adaptas Solutions Pty Ltd | 27 |
4 |
| Elbit Systems of America, LLC | 187 |
3 |
| ASML Netherlands B.V. | 7312 |
1 |
| Hamamatsu Photonics K.K. | 4388 |
1 |
| Forschungszentrum Julich GmbH | 612 |
1 |
| Korea Electrotechnology Research Institute | 469 |
1 |
| Photonis France | 55 |
1 |
| Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen | 307 |
1 |
| Sefe, Inc. | 3 |
1 |
| University of Leicester | 220 |
1 |
| Lapington, Jonathan Stephen | 1 |
1 |
| Biolight Corporation | 11 |
1 |
| Other owners | 0 |