- 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: 167
10-year publication summary
|
10
|
12
|
8
|
18
|
15
|
11
|
13
|
18
|
12
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7925 |
30 |
| Carl Zeiss Microscopy GmbH | 1270 |
16 |
| NuFlare Technology, Inc. | 922 |
16 |
| Hitachi High-Tech Corporation | 5846 |
16 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 156 |
14 |
| Carl Zeiss MultiSEM GmbH | 185 |
11 |
| FEI Company | 1052 |
9 |
| Hitachi High-Technologies Corporation | 1987 |
6 |
| Hermes Microvision Incorporated B.V. | 122 |
6 |
| Applied Materials Israel, Ltd. | 676 |
5 |
| Focus-eBeam Technology (Beijing) Co., Ltd. | 14 |
4 |
| Ningbo Bio-ebeam Electron Beam Technology Co., Ltd. | 12 |
3 |
| International Business Machines Corporation | 62634 |
2 |
| Varian Semiconductor Equipment Associates, Inc. | 1187 |
2 |
| Nikon Corporation | 7228 |
2 |
| Carl Zeiss NTS GmbH | 26 |
2 |
| IMS Nanofabrication GmbH | 61 |
2 |
| National Tsing Hua University | 1261 |
2 |
| National University Corporation Nagoya University | 786 |
2 |
| Tescan Group, A.S. | 43 |
2 |
| Other owners | 15 |