- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/38 - Photoelectric screensCharge-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: 14
10-year publication summary
|
1
|
2
|
2
|
0
|
0
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0
|
1
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KLA-Tencor Corporation | 2524 |
5 |
| Hamamatsu Photonics K.K. | 4595 |
3 |
| L3Harris Technologies, Inc. | 350 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2838 |
1 |
| Cern - European Organization for Nuclear Research | 55 |
1 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 47 |
1 |
| Lumineq Oy | 28 |
1 |
| Other owners | 0 |