- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/145 - Combinations of electrostatic and magnetic lenses
Patent holdings for IPC class H01J 37/145
Total number of patents in this class: 131
10-year publication summary
6
|
12
|
10
|
12
|
8
|
18
|
15
|
10
|
13
|
2
|
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 |
20 |
Hitachi High-Tech Corporation | 4424 |
15 |
Carl Zeiss Microscopy GmbH | 1146 |
13 |
ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
11 |
NuFlare Technology, Inc. | 770 |
10 |
FEI Company | 851 |
7 |
Hitachi High-Technologies Corporation | 2034 |
6 |
Applied Materials Israel, Ltd. | 549 |
6 |
Hermes Microvision Incorporated B.V. | 129 |
6 |
Focus-eBeam Technology (Beijing) Co., Ltd. | 14 |
4 |
Focus e-Beam Technology (Beijing) Co., Ltd. | 16 |
3 |
Carl Zeiss MultiSEM GmbH | 85 |
3 |
International Business Machines Corporation | 60644 |
2 |
Varian Semiconductor Equipment Associates, Inc. | 1282 |
2 |
Carl Zeiss NTS GmbH | 33 |
2 |
National Tsing Hua University | 1091 |
2 |
National University Corporation Nagoya University | 921 |
2 |
Industrial Technology Research Institute | 4898 |
1 |
Nikon Corporation | 7162 |
1 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
1 |
Other owners | 14 |