- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/244 - Detectors; Associated components or circuits therefor
Patent holdings for IPC class H01J 37/244
Total number of patents in this class: 1725
10-year publication summary
|
137
|
103
|
131
|
118
|
173
|
182
|
191
|
190
|
176
|
58
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 4424 |
269 |
| ASML Netherlands B.V. | 6816 |
170 |
| Hitachi High-Technologies Corporation | 2034 |
134 |
| FEI Company | 851 |
109 |
| NuFlare Technology, Inc. | 770 |
59 |
| Carl Zeiss Microscopy GmbH | 1146 |
56 |
| JEOL Ltd. | 556 |
54 |
| Applied Materials Israel, Ltd. | 549 |
44 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
32 |
| Carl Zeiss MultiSEM GmbH | 85 |
30 |
| Applied Materials, Inc. | 16587 |
28 |
| KLA Corporation | 1223 |
28 |
| KLA-Tencor Corporation | 2574 |
24 |
| Gatan, Inc. | 111 |
18 |
| Hitachi High-Tech Science Corporation | 326 |
17 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
16 |
| Lam Research Corporation | 4775 |
16 |
| Hitachi, Ltd. | 16452 |
15 |
| Axcelis Technologies, Inc. | 429 |
14 |
| Sumitomo Heavy Industries ION Technology Co., Ltd. | 96 |
14 |
| Other owners | 578 |