- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/00 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
Patent holdings for IPC class H01J 25/00
Total number of patents in this class: 25
10-year publication summary
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2
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1
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2
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0
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0
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0
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0
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1
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13845 |
3 |
| Advanced Fusion Systems LLC | 68 |
2 |
| Kyoto Fusioneering Ltd. | 22 |
2 |
| Siemens AG | 24409 |
1 |
| Mitsubishi Electric Corporation | 46397 |
1 |
| Advanced Plasmonics, Inc. | 18 |
1 |
| Board of Regents of The Nevada System of Higher Education, on Behalf of The University of Nevada, Las Vegas | 152 |
1 |
| CEM Corporation | 101 |
1 |
| Cornell University | 3329 |
1 |
| Karlsruher Institut fur Technologie | 380 |
1 |
| Korea Atomic Energy Research Institute | 437 |
1 |
| L-3 Communications Corporation | 91 |
1 |
| Manhattan Technologies Ltd. | 4 |
1 |
| National Chung Shan Institute of Science and Technology | 348 |
1 |
| Shenzhen University | 1650 |
1 |
| Tesat-Spacecom GmbH & Co. KG | 75 |
1 |
| The University of Sheffield | 328 |
1 |
| Ariel Scientific Innovations Ltd | 216 |
1 |
| Canon Electron Tubes & Devices Co., Ltd. | 166 |
1 |
| GULMAN MARTÍNEZ, Guillermo Jesús | 2 |
1 |
| Other owners | 1 |