- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/244 - DetectorsAssociated components or circuits therefor
Patent holdings for IPC class H01J 37/244
Total number of patents in this class: 1929
10-year publication summary
|
103
|
130
|
118
|
172
|
181
|
190
|
188
|
177
|
156
|
156
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5482 |
288 |
| ASML Netherlands B.V. | 7593 |
214 |
| FEI Company | 995 |
139 |
| Hitachi High-Technologies Corporation | 1996 |
134 |
| NuFlare Technology, Inc. | 886 |
65 |
| Carl Zeiss Microscopy GmbH | 1229 |
62 |
| JEOL Ltd. | 600 |
52 |
| Applied Materials Israel, Ltd. | 619 |
50 |
| Applied Materials, Inc. | 19298 |
47 |
| Carl Zeiss MultiSEM GmbH | 151 |
44 |
| KLA Corporation | 1668 |
37 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 155 |
35 |
| KLA-Tencor Corporation | 2537 |
23 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46182 |
20 |
| Gatan, Inc. | 111 |
18 |
| Lam Research Corporation | 5382 |
16 |
| Hitachi High-Tech Analysis Corporation | 283 |
16 |
| Samsung Electronics Co., Ltd. | 149198 |
14 |
| Hitachi, Ltd. | 15712 |
14 |
| Hamamatsu Photonics K.K. | 4499 |
14 |
| Other owners | 627 |