- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/10 - Lenses
Patent holdings for IPC class H01J 37/10
Total number of patents in this class: 320
10-year publication summary
|
22
|
24
|
29
|
38
|
36
|
35
|
32
|
18
|
27
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5310 |
41 |
| ASML Netherlands B.V. | 7385 |
39 |
| Carl Zeiss Microscopy GmbH | 1203 |
25 |
| NuFlare Technology, Inc. | 842 |
21 |
| JEOL Ltd. | 580 |
20 |
| FEI Company | 943 |
19 |
| Carl Zeiss MultiSEM GmbH | 134 |
18 |
| KLA Corporation | 1549 |
14 |
| KLA-Tencor Corporation | 2544 |
12 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 159 |
11 |
| Applied Materials Israel, Ltd. | 613 |
7 |
| Hitachi High-Technologies Corporation | 2004 |
6 |
| Hitachi High-Tech Science Corporation | 290 |
6 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42704 |
5 |
| Technische Universiteit Delft | 723 |
5 |
| Purdue Research Foundation | 3612 |
4 |
| Ebara Corporation | 2169 |
3 |
| Hermes Microvision, Inc. | 25 |
3 |
| Mochii, Inc. | 17 |
3 |
| Other owners | 52 |