- 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: 102
10-year publication summary
|
5
|
7
|
11
|
10
|
8
|
4
|
6
|
4
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Power Solutions Co., Ltd. | 97 |
6 |
| Muons, Inc. | 26 |
6 |
| Stc.unm | 677 |
6 |
| Panasonic Corporation | 20124 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
4 |
| Toshiba Hokuto Electronics Corporation | 26 |
4 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 594 |
4 |
| Samsung Electronics Co., Ltd. | 145864 |
3 |
| Beijing NMC Co., Ltd. | 113 |
3 |
| Elekta Limited | 213 |
3 |
| Guangdong Witol Vacuum Electronic Manufacture Co., Ltd | 11 |
3 |
| Applied Materials, Inc. | 18589 |
2 |
| Raytheon Company | 8393 |
2 |
| Diehl BGT Defence GmbH & Co. KG | 48 |
2 |
| Korea Electrotechnology Research Institute | 471 |
2 |
| Nuctech Company Limited | 1422 |
2 |
| Siemens Healthineers AG | 6671 |
2 |
| Virgin Islands Microsystems, Inc. | 51 |
2 |
| Teledyne UK Limited | 23 |
2 |
| Arrayed Materials (China) Co., Ltd. | 6 |
2 |
| Other owners | 38 |