- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 27/02 - Ion sources; Ion guns
Patent holdings for IPC class H01J 27/02
Total number of patents in this class: 493
10-year publication summary
|
49
|
36
|
40
|
31
|
24
|
21
|
33
|
20
|
32
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
58 |
| Applied Materials, Inc. | 16587 |
45 |
| Axcelis Technologies, Inc. | 429 |
21 |
| ALIS Corporation | 36 |
17 |
| Global Plasma Solutions, Inc. | 68 |
13 |
| FEI Company | 851 |
11 |
| Sharp Corporation | 10015 |
10 |
| Canon Anelva Corporation | 676 |
10 |
| Schlumberger Technology Corporation | 9690 |
8 |
| Tae Technologies, Inc. | 220 |
7 |
| Nissin ION Equipment Co., Ltd. | 78 |
6 |
| Tel Manufacturing and Engineering of America, Inc. | 150 |
6 |
| Agilent Technologies, Inc. | 2744 |
5 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
5 |
| Accion Systems, Inc. | 18 |
5 |
| PerkinElmer U.S. LLC | 312 |
5 |
| Tsinghua University | 5426 |
4 |
| Carl Zeiss Microscopy, LLC | 30 |
4 |
| HIL Applied Medical, Ltd. | 15 |
4 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
4 |
| Other owners | 245 |