- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 27/18 - Ion sourcesIon guns using high-frequency excitation, e.g. microwave excitation with an applied axial magnetic field
Patent holdings for IPC class H01J 27/18
Total number of patents in this class: 53
10-year publication summary
|
2
|
3
|
3
|
5
|
0
|
2
|
2
|
5
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
7 |
| Applied Materials, Inc. | 18819 |
5 |
| Centre National de La Recherche Scientifique | 10498 |
3 |
| Hitachi High-Tech Corporation | 5357 |
3 |
| Shine Technologies, LLC | 139 |
3 |
| ONERA (Office National d'Etudes et de Recherches Aerospatiales) | 78 |
2 |
| Alpha Source LLC | 3 |
2 |
| Jiangsu Leuven Instrumments Co. Ltd | 119 |
2 |
| Schlumberger Technology Corporation | 10848 |
1 |
| Siemens AG | 24421 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
1 |
| United Microelectronics Corp. | 4247 |
1 |
| Astrium GmbH | 43 |
1 |
| Aviza Technology Limited | 13 |
1 |
| Deutsches Elektronen-Synchrotron DESY | 45 |
1 |
| HIL Applied Medical, Ltd. | 15 |
1 |
| ion Technology Solutions, LLC | 14 |
1 |
| Istituto Nazionale di Fisica Nucleare | 91 |
1 |
| Kaufman & Robinson, Inc. | 14 |
1 |
| Other owners | 14 |