- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/38 - Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
Patent holdings for IPC class H01J 29/38
Total number of patents in this class: 11
10-year publication summary
|
2
|
2
|
1
|
2
|
2
|
0
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KLA-Tencor Corporation | 2574 |
5 |
| Hamamatsu Photonics K.K. | 4161 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
1 |
| Cern - European Organization for Nuclear Research | 52 |
1 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 56 |
1 |
| Lumineq Oy | 30 |
1 |
| Other owners | 0 |