- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/49 - Pick-up tubes adapted for an input of electromagnetic radiation other than visible light and having an electric output, e.g. for an input of X-rays, for an input of infrared radiation
Patent holdings for IPC class H01J 31/49
Total number of patents in this class: 60
10-year publication summary
|
5
|
6
|
4
|
2
|
5
|
1
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
6 |
| General Electric Company | 18133 |
4 |
| GE Medical Systems Global Technology Company, LLC | 299 |
4 |
| Canon Inc. | 36841 |
3 |
| Pioneer Corporation | 4843 |
3 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| Photonis France | 53 |
3 |
| Panasonic Corporation | 20786 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Elbit Systems of America, LLC | 194 |
2 |
| Photonis Netherlands B.V. | 29 |
2 |
| EOTech, LLC | 82 |
2 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| Konica Minolta, Inc. | 8349 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Carrier Corporation | 4759 |
1 |
| Carestream Health, Inc. | 728 |
1 |
| Cern - European Organization for Nuclear Research | 52 |
1 |
| Densmart Dental Co., Ltd. | 8 |
1 |
| Fluke Corporation | 921 |
1 |
| Other owners | 16 |