- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/50 - Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
Patent holdings for IPC class H01J 31/50
Total number of patents in this class: 167
10-year publication summary
|
12
|
8
|
14
|
13
|
5
|
8
|
8
|
10
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elbit Systems of America, LLC | 179 |
23 |
| Photonis France | 58 |
20 |
| Hamamatsu Photonics K.K. | 4697 |
19 |
| L3Harris Technologies, Inc. | 363 |
11 |
| KLA-Tencor Corporation | 2517 |
8 |
| Photonis Netherlands B.V. | 33 |
5 |
| Canon Inc. | 44051 |
4 |
| Photonis France SAS | 5 |
4 |
| Sionyx, LLC | 96 |
4 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2310 |
3 |
| L-3 Communications Corporation-Insight Technology Division | 4 |
3 |
| GE Medical Systems Global Technology Company, LLC | 213 |
2 |
| Burle Technologies, LLC | 4 |
2 |
| Novatrans Group SA | 28 |
2 |
| Shenzhen University | 1730 |
2 |
| Photonis Scientific, Inc. | 20 |
2 |
| Aktsionernoe Obshchestvo "KATOD" | 2 |
2 |
| Photonics West, LLC | 22 |
2 |
| Schlumberger Technology Corporation | 11879 |
1 |
| Schlumberger Canada Limited | 7620 |
1 |
| Other owners | 47 |