- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 27/02 - Ion sourcesIon guns
Patent holdings for IPC class H01J 27/02
Total number of patents in this class: 489
10-year publication summary
|
36
|
40
|
31
|
24
|
21
|
33
|
20
|
32
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
58 |
| Applied Materials, Inc. | 18621 |
51 |
| Axcelis Technologies, Inc. | 409 |
21 |
| ALIS Corporation | 27 |
13 |
| Global Plasma Solutions, Inc. | 76 |
13 |
| Canon Anelva Corporation | 686 |
11 |
| Sharp Corporation | 10237 |
10 |
| Tae Technologies, Inc. | 241 |
9 |
| FEI Company | 943 |
8 |
| Schlumberger Technology Corporation | 10717 |
7 |
| Nissin ION Equipment Co., Ltd. | 82 |
6 |
| Tel Manufacturing and Engineering of America, Inc. | 140 |
6 |
| Agilent Technologies, Inc. | 2631 |
5 |
| Thermo Fisher Scientific (Bremen) GmbH | 583 |
5 |
| Accion Systems, Inc. | 19 |
5 |
| Hitachi High-Tech Corporation | 5310 |
5 |
| PerkinElmer U.S. LLC | 288 |
5 |
| Tsinghua University | 5922 |
4 |
| HIL Applied Medical, Ltd. | 15 |
4 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 159 |
4 |
| Other owners | 239 |