- 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: 330
10-year publication summary
|
22
|
24
|
29
|
38
|
36
|
34
|
32
|
18
|
27
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5468 |
41 |
| ASML Netherlands B.V. | 7585 |
39 |
| Carl Zeiss Microscopy GmbH | 1226 |
25 |
| NuFlare Technology, Inc. | 883 |
23 |
| JEOL Ltd. | 602 |
20 |
| FEI Company | 990 |
19 |
| Carl Zeiss MultiSEM GmbH | 150 |
19 |
| KLA Corporation | 1664 |
17 |
| KLA-Tencor Corporation | 2538 |
12 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 155 |
11 |
| Applied Materials Israel, Ltd. | 619 |
7 |
| Hitachi High-Technologies Corporation | 1996 |
6 |
| Varian Semiconductor Equipment Associates, Inc. | 1226 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46161 |
6 |
| Hitachi High-Tech Analysis Corporation | 282 |
6 |
| Technische Universiteit Delft | 742 |
5 |
| Purdue Research Foundation | 3726 |
4 |
| Mochii, Inc. | 19 |
4 |
| Samsung Electronics Co., Ltd. | 149087 |
3 |
| Ebara Corporation | 2223 |
3 |
| Other owners | 54 |