- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/50 - Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
Patent holdings for IPC class H01J 25/50
Total number of patents in this class: 96
10-year publication summary
|
7
|
5
|
7
|
11
|
10
|
8
|
4
|
6
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stc.unm | 699 |
6 |
| Panasonic Corporation | 20786 |
5 |
| Muons, Inc. | 24 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Toshiba Hokuto Electronics Corporation | 27 |
4 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 430 |
4 |
| Teledyne UK Limited | 29 |
4 |
| Beijing NMC Co., Ltd. | 113 |
3 |
| Elekta Limited | 178 |
3 |
| Hitachi Power Solutions Co., Ltd. | 94 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Applied Materials, Inc. | 16587 |
2 |
| Raytheon Company | 8535 |
2 |
| Diehl BGT Defence GmbH & Co. KG | 59 |
2 |
| Fermi Research Alliance, LLC | 95 |
2 |
| Korea Electrotechnology Research Institute | 411 |
2 |
| Sichuan University | 498 |
2 |
| Siemens Healthineers AG | 5714 |
2 |
| Virgin Islands Microsystems, Inc. | 51 |
2 |
| Guangdong Witol Vacuum Electronic Manufacture Co., Ltd | 3 |
2 |
| Other owners | 35 |