- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 3/10 - Arrangements for centering ray or beam
Patent holdings for IPC class H01J 3/10
Total number of patents in this class: 5
10-year publication summary
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0
|
1
|
0
|
0
|
1
|
0
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15521 |
1 |
| New Japan Radio Co., Ltd. | 89 |
1 |
| Varian Medical Systems, Inc. | 863 |
1 |
| Photo Electron Soul Inc. | 32 |
1 |
| Hitachi High-Tech Corporation | 5343 |
1 |
| Other owners | 0 |