- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/00 - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group
Patent holdings for IPC class H01J 29/00
Total number of patents in this class: 21
10-year publication summary
|
3
|
5
|
1
|
2
|
1
|
2
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Varian Medical Systems, Inc. | 850 |
4 |
| Thomson Licensing | 4027 |
2 |
| Korea Institute of Industrial Technology | 994 |
2 |
| General Electric Company | 18133 |
1 |
| Advantest Corporation | 1939 |
1 |
| Elbit Systems of America, LLC | 194 |
1 |
| Elekta Limited | 178 |
1 |
| Husky Injection Molding Systems Ltd. | 1060 |
1 |
| LightLab Sweden AB | 39 |
1 |
| Silicon Valley Bank | 100 |
1 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
1 |
| Vistec Electron Beam GmbH | 12 |
1 |
| Siemens Healthineers AG | 5714 |
1 |
| Quantum-Factory GmbH | 2 |
1 |
| Hitachi High-Tech Corporation | 4424 |
1 |
| Grundig Elektronik Anonim Sirketi | 10 |
1 |
| Other owners | 0 |