- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/24 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
Patent holdings for IPC class H01J 37/24
Total number of patents in this class: 360
10-year publication summary
|
13
|
23
|
30
|
31
|
48
|
32
|
26
|
29
|
25
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5339 |
56 |
| Hitachi High-Technologies Corporation | 2004 |
38 |
| ASML Netherlands B.V. | 7406 |
30 |
| NuFlare Technology, Inc. | 845 |
22 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
12 |
| Carl Zeiss Microscopy GmbH | 1207 |
10 |
| Tokyo Electron Limited | 12762 |
9 |
| FEI Company | 947 |
9 |
| Applied Materials, Inc. | 18746 |
7 |
| JEOL Ltd. | 582 |
7 |
| Carl Zeiss MultiSEM GmbH | 136 |
7 |
| Applied Materials Israel, Ltd. | 614 |
6 |
| Advanced Energy Industries, Inc. | 468 |
5 |
| Axcelis Technologies, Inc. | 414 |
5 |
| AES Global Holdings, Pte. Ltd. | 343 |
5 |
| Tetra Laval Holdings & Finance S.A. | 2152 |
4 |
| Advantest Corporation | 1810 |
3 |
| Advanced Biotechnologies, LLC. | 7 |
3 |
| Eagle Harbor Technologies, Inc. | 78 |
3 |
| Mapper Lithography IP B.V. | 134 |
3 |
| Other owners | 116 |