- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/94 - Mountings for individual electrodes
Patent holdings for IPC class H01J 1/94
Total number of patents in this class: 14
10-year publication summary
|
1
|
3
|
2
|
1
|
0
|
2
|
2
|
1
|
0
|
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 |
2 |
| Rad Source Technologies, Inc. | 17 |
2 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Canon Inc. | 36841 |
1 |
| Seagate Technology LLC | 4228 |
1 |
| Lam Research Corporation | 4775 |
1 |
| Meidensha Corporation | 823 |
1 |
| Noritake Co., Limited | 224 |
1 |
| Noritake Itron Corporation | 27 |
1 |
| Somnio Global Holdings, LLC | 35 |
1 |
| Photo Electron Soul Inc. | 27 |
1 |
| Thales Deutschland GmbH Electron Devices | 5 |
1 |
| Other owners | 0 |