- 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: 150
10-year publication summary
|
12
|
12
|
17
|
15
|
16
|
16
|
14
|
18
|
16
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 6816 |
26 |
| Hitachi High-Tech Corporation | 4424 |
18 |
| KLA Corporation | 1223 |
11 |
| FEI Company | 851 |
9 |
| Hermes Microvision Incorporated B.V. | 129 |
8 |
| JEOL Ltd. | 556 |
6 |
| Carl Zeiss MultiSEM GmbH | 85 |
6 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
5 |
| KLA-Tencor Corporation | 2574 |
5 |
| Carl Zeiss Microscopy GmbH | 1146 |
4 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
4 |
| Applied Materials Israel, Ltd. | 549 |
3 |
| NuFlare Technology, Inc. | 770 |
3 |
| Intel Corporation | 45621 |
2 |
| Hitachi High-Technologies Corporation | 2034 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Advantest Corporation | 1939 |
2 |
| Northwestern University | 3112 |
2 |
| Mevion Medical Systems, Inc. | 102 |
2 |
| The Boeing Company | 19843 |
1 |
| Other owners | 29 |