- 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: 356
10-year publication summary
|
13
|
23
|
31
|
31
|
49
|
32
|
26
|
29
|
25
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5302 |
56 |
| Hitachi High-Technologies Corporation | 2004 |
38 |
| ASML Netherlands B.V. | 7381 |
30 |
| NuFlare Technology, Inc. | 841 |
22 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
12 |
| Tokyo Electron Limited | 12694 |
9 |
| Carl Zeiss Microscopy GmbH | 1203 |
9 |
| FEI Company | 943 |
9 |
| JEOL Ltd. | 579 |
7 |
| Applied Materials, Inc. | 18589 |
6 |
| Applied Materials Israel, Ltd. | 614 |
6 |
| Advanced Energy Industries, Inc. | 466 |
5 |
| Axcelis Technologies, Inc. | 408 |
5 |
| AES Global Holdings, Pte. Ltd. | 342 |
5 |
| Carl Zeiss MultiSEM GmbH | 134 |
5 |
| Tetra Laval Holdings & Finance S.A. | 2140 |
4 |
| Advantest Corporation | 1824 |
3 |
| Advanced Biotechnologies, LLC. | 7 |
3 |
| Eagle Harbor Technologies, Inc. | 75 |
3 |
| Mapper Lithography IP B.V. | 135 |
3 |
| Other owners | 116 |