- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 40/04 - Electrodes
Patent holdings for IPC class H01J 40/04
Total number of patents in this class: 12
10-year publication summary
|
0
|
2
|
1
|
0
|
1
|
1
|
1
|
1
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
5 |
| Incom, Inc. | 10 |
1 |
| KLA-Tencor Corporation | 2574 |
1 |
| Micromass UK Limited | 1121 |
1 |
| Rapiscan Systems, Inc. | 300 |
1 |
| UChicago Argonne, LLC | 866 |
1 |
| UT-Battelle, LLC | 1333 |
1 |
| DESC (Dubai Electronic Security Center) | 3 |
1 |
| Other owners | 0 |