- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 43/04 - Electron multipliers
Patent holdings for IPC class H01J 43/04
Total number of patents in this class: 70
10-year publication summary
|
4
|
2
|
9
|
2
|
4
|
0
|
0
|
4
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4700 |
17 |
| Schlumberger Technology Corporation | 11839 |
4 |
| Thermo Finnigan LLC | 641 |
4 |
| Adaptas Solutions Pty Ltd | 27 |
4 |
| ETP ION Detect Pty Ltd | 8 |
3 |
| Arradiance, LLC | 16 |
2 |
| Elbit Systems of America, LLC | 179 |
2 |
| Schlumberger Canada Limited | 7609 |
1 |
| Schlumberger Technology B.v. | 5295 |
1 |
| Schlumberger Holdings Limited | 2690 |
1 |
| California Institute of Technology | 4039 |
1 |
| The Johns Hopkins University | 5898 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
1 |
| Purdue Research Foundation | 3926 |
1 |
| Brookhaven Science Associates, LLC | 201 |
1 |
| Canon Anelva Corporation | 684 |
1 |
| Carl Zeiss Microscopy GmbH | 1275 |
1 |
| China Building Materials Academy | 26 |
1 |
| ETP Electron Multipliers Pty Ltd | 3 |
1 |
| Guangxi University | 89 |
1 |
| Other owners | 21 |