- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/10 - Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
Patent holdings for IPC class H01J 25/10
Total number of patents in this class: 33
10-year publication summary
|
5
|
3
|
1
|
0
|
2
|
3
|
2
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omega P, Inc. | 5 |
4 |
| Varian Medical Systems, Inc. | 850 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
2 |
| Varex Imaging Corporation | 294 |
2 |
| Thales | 1854 |
2 |
| Canon Electron Tubes & Devices Co., Ltd. | 154 |
2 |
| General Electric Company | 18133 |
1 |
| Calabazas Creek Research, Inc. | 12 |
1 |
| Communications & Power Industries, Inc. | 3 |
1 |
| Jefferson Science Associates, LLC | 106 |
1 |
| Karlsruher Institut fuer Technologie | 108 |
1 |
| L-3 Communications Corporation | 106 |
1 |
| Lancaster University Business Enterprises Limited | 42 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
1 |
| Qmast LLC | 1 |
1 |
| Transkinetic Energy Corporation | 3 |
1 |
| Yale University | 2204 |
1 |
| Consorzio di Ricerca Hypatia | 3 |
1 |
| Triad National Security, LLC | 580 |
1 |
| Virgin Islands Microsystems, Inc. | 51 |
1 |
| Other owners | 3 |