- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/02 - ElectrodesMagnetic control meansScreens
Patent holdings for IPC class H01J 23/02
Total number of patents in this class: 25
10-year publication summary
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0
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1
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2
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1
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2
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2
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3
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2
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2
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Network and Sensor Systems, Ltd. | 47 |
4 |
| Muons, Inc. | 26 |
3 |
| Vactronix Scientific, LLC | 89 |
3 |
| The Regents of the University of Michigan | 4701 |
2 |
| Hitachi Power Solutions Co., Ltd. | 97 |
2 |
| Samsung Electronics Co., Ltd. | 146534 |
1 |
| Huawei Technologies Co., Ltd. | 113006 |
1 |
| Massachusetts Institute of Technology | 10057 |
1 |
| Cardinal CG Company | 228 |
1 |
| Cern - European Organization for Nuclear Research | 53 |
1 |
| New Japan Radio, Ltd | 2 |
1 |
| Stc.unm | 677 |
1 |
| The United States of America as represented by the Secretary of the Air Force | 843 |
1 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 598 |
1 |
| Communications and Power Industries, Inc. | 1 |
1 |
| Thales | 1842 |
1 |
| Other owners | 0 |