- 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
|
10
|
12
|
8
|
14
|
13
|
4
|
6
|
7
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elbit Systems of America, LLC | 190 |
23 |
| Hamamatsu Photonics K.K. | 4307 |
19 |
| Photonis France | 53 |
16 |
| KLA-Tencor Corporation | 2550 |
8 |
| L3Harris Technologies, Inc. | 273 |
5 |
| Canon Inc. | 38240 |
4 |
| Photonis France SAS | 5 |
4 |
| Photonis Netherlands B.V. | 29 |
4 |
| GE Medical Systems Global Technology Company, LLC | 266 |
3 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2069 |
3 |
| Sionyx, LLC | 94 |
3 |
| L-3 Communications Corporation-Insight Technology Division | 4 |
3 |
| Burle Technologies, LLC | 4 |
2 |
| Novatrans Group SA | 31 |
2 |
| Shenzhen University | 1607 |
2 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 53 |
2 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 10 |
2 |
| Siemens Healthineers AG | 6357 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
2 |
| Photonis Scientific, Inc. | 20 |
2 |
| Other owners | 56 |