- 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: 150
10-year publication summary
|
12
|
10
|
12
|
8
|
18
|
15
|
11
|
13
|
18
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7381 |
24 |
| NuFlare Technology, Inc. | 841 |
17 |
| Hitachi High-Tech Corporation | 5302 |
15 |
| Carl Zeiss Microscopy GmbH | 1203 |
14 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 158 |
13 |
| FEI Company | 943 |
7 |
| Carl Zeiss MultiSEM GmbH | 134 |
7 |
| Hitachi High-Technologies Corporation | 2004 |
6 |
| Hermes Microvision Incorporated B.V. | 124 |
6 |
| Applied Materials Israel, Ltd. | 614 |
5 |
| Focus-eBeam Technology (Beijing) Co., Ltd. | 14 |
4 |
| Ningbo Bio-ebeam Electron Beam Technology Co., Ltd. | 12 |
3 |
| International Business Machines Corporation | 61210 |
2 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
2 |
| Nikon Corporation | 7162 |
2 |
| Carl Zeiss NTS GmbH | 31 |
2 |
| IMS Nanofabrication GmbH | 59 |
2 |
| National Tsing Hua University | 1180 |
2 |
| National University Corporation Nagoya University | 857 |
2 |
| Industrial Technology Research Institute | 5086 |
1 |
| Other owners | 14 |