- 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: 27
10-year publication summary
|
3
|
1
|
2
|
0
|
0
|
0
|
0
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13767 |
3 |
| Advanced Fusion Systems LLC | 68 |
2 |
| Kyoto Fusioneering Ltd. | 22 |
2 |
| Siemens AG | 24505 |
1 |
| Mitsubishi Electric Corporation | 46037 |
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 | 150 |
1 |
| CEM Corporation | 102 |
1 |
| Cornell University | 3302 |
1 |
| Jefferson Science Associates, LLC | 105 |
1 |
| Karlsruher Institut fur Technologie | 382 |
1 |
| Korea Atomic Energy Research Institute | 434 |
1 |
| L-3 Communications Corporation | 95 |
1 |
| Manhattan Technologies Ltd. | 4 |
1 |
| National Chung Shan Institute of Science and Technology | 349 |
1 |
| Riken | 1689 |
1 |
| Shenzhen University | 1638 |
1 |
| Tesat-Spacecom GmbH & Co. KG | 75 |
1 |
| The University of Sheffield | 325 |
1 |
| Ariel Scientific Innovations Ltd | 209 |
1 |
| Other owners | 3 |