- 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
|
1
|
0
|
0
|
1
|
0
|
1
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15918 |
1 |
| New Japan Radio Co., Ltd. | 85 |
1 |
| Varian Medical Systems, Inc. | 901 |
1 |
| Photo Electron Soul Inc. | 34 |
1 |
| Hitachi High-Tech Corporation | 5669 |
1 |
| Other owners | 0 |