- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/14 - Lenses magnetic
Patent holdings for IPC class H01J 37/14
Total number of patents in this class: 152
10-year publication summary
|
12
|
17
|
15
|
16
|
16
|
14
|
18
|
18
|
7
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7312 |
25 |
| Hitachi High-Tech Corporation | 5241 |
19 |
| FEI Company | 937 |
11 |
| KLA Corporation | 1512 |
11 |
| Hermes Microvision Incorporated B.V. | 124 |
7 |
| Carl Zeiss MultiSEM GmbH | 125 |
7 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 158 |
6 |
| JEOL Ltd. | 572 |
6 |
| Varian Semiconductor Equipment Associates, Inc. | 1233 |
5 |
| KLA-Tencor Corporation | 2546 |
5 |
| Carl Zeiss Microscopy GmbH | 1200 |
4 |
| NuFlare Technology, Inc. | 836 |
3 |
| Intel Corporation | 46699 |
2 |
| Hitachi High-Technologies Corporation | 2004 |
2 |
| Shimadzu Corporation | 6132 |
2 |
| Advantest Corporation | 1831 |
2 |
| Northwestern University | 3364 |
2 |
| Mevion Medical Systems, Inc. | 106 |
2 |
| Technische Universiteit Delft | 719 |
2 |
| Toshiba Corporation | 12286 |
1 |
| Other owners | 28 |