- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/15 - External mechanical adjustment of electron- or ion-optical components
Patent holdings for IPC class H01J 37/15
Total number of patents in this class: 51
10-year publication summary
|
2
|
2
|
4
|
3
|
3
|
7
|
2
|
6
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7301 |
15 |
| Varian Semiconductor Equipment Associates, Inc. | 1235 |
7 |
| FEI Company | 934 |
4 |
| Hitachi High-Tech Corporation | 5233 |
4 |
| Samsung Electronics Co., Ltd. | 143812 |
2 |
| Hitachi High-Technologies Corporation | 2006 |
2 |
| Carl Zeiss Microscopy GmbH | 1202 |
2 |
| KLA Corporation | 1503 |
2 |
| Xia Tai Xin Semiconductor (qing Dao) Ltd. | 60 |
2 |
| Applied Materials, Inc. | 18383 |
1 |
| Axcelis Technologies, Inc. | 401 |
1 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 157 |
1 |
| IMS Nanofabrication GmbH | 59 |
1 |
| LILAS GmbH | 11 |
1 |
| Limo Patentverwaltung GmbH & Co. KG | 53 |
1 |
| Nordiko Technical Services Limited | 9 |
1 |
| NuFlare Technology, Inc. | 836 |
1 |
| NuFlare Technology America, Inc. | 23 |
1 |
| The Provost, Fellows, Scholars and Other Members of Board of Trinity College Dublin | 51 |
1 |
| Hermes Microvision Incorporated B.V. | 124 |
1 |
| Other owners | 0 |