- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 43/22 - Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
Patent holdings for IPC class H01J 43/22
Total number of patents in this class: 17
10-year publication summary
|
1
|
0
|
2
|
2
|
3
|
1
|
2
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4587 |
4 |
| Canon Anelva Corporation | 686 |
2 |
| Shenzhen Genorivision Technology Co., Ltd. | 59 |
2 |
| Adaptas Solutions Pty Ltd | 27 |
2 |
| Thermo Finnigan LLC | 644 |
1 |
| China Building Materials Academy | 25 |
1 |
| Photonis France | 56 |
1 |
| University of Science and Technology of China | 437 |
1 |
| The University of Warwick | 254 |
1 |
| Skyfinis Inc., DBA Skyfinis | 5 |
1 |
| Baker Hughes Holdings LLC | 2981 |
1 |
| Other owners | 0 |