- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/05 - Electron- or ion-optical arrangements for separating electrons or ions according to their energy
Patent holdings for IPC class H01J 37/05
Total number of patents in this class: 324
10-year publication summary
|
25
|
28
|
21
|
32
|
41
|
41
|
29
|
28
|
19
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Technologies Corporation | 2034 |
25 |
| Hitachi High-Tech Corporation | 4424 |
24 |
| Applied Materials, Inc. | 16587 |
22 |
| ASML Netherlands B.V. | 6816 |
19 |
| Axcelis Technologies, Inc. | 429 |
18 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
16 |
| Exogenesis Corporation | 77 |
16 |
| FEI Company | 851 |
14 |
| JEOL Ltd. | 556 |
13 |
| mi2-factory GmbH | 30 |
13 |
| NuFlare Technology, Inc. | 770 |
7 |
| Sumitomo Heavy Industries ION Technology Co., Ltd. | 96 |
7 |
| Carl Zeiss MultiSEM GmbH | 85 |
7 |
| Applied Materials Israel, Ltd. | 549 |
6 |
| Gatan, Inc. | 111 |
6 |
| Nissin ION Equipment Co., Ltd. | 78 |
6 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
5 |
| KLA Corporation | 1223 |
5 |
| Battelle Memorial Institute | 2356 |
4 |
| Scienta Omicron AB | 18 |
4 |
| Other owners | 87 |