- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/315 - Electron-beam or ion-beam tubes for localised treatment of objects for welding
Patent holdings for IPC class H01J 37/315
Total number of patents in this class: 24
10-year publication summary
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0
|
1
|
3
|
4
|
1
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0
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2
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aquasium Technology Limited | 17 |
6 |
| Hon Hai Precision Industry Co., Ltd. | 4033 |
2 |
| Tsinghua University | 5922 |
2 |
| Universität Innsbruck | 113 |
2 |
| Elve Inc. | 30 |
2 |
| Arcam AB | 202 |
1 |
| FEI Company | 943 |
1 |
| Fibics Incorporated | 26 |
1 |
| Global Beam Technologies AG | 6 |
1 |
| Pro-Beam AG & Co. KGAA | 8 |
1 |
| TWi Limited | 22 |
1 |
| Consorzio di Ricerca Hypatia | 3 |
1 |
| PTR Präzisionstechnik GmbH | 2 |
1 |
| US Electron, Inc. | 2 |
1 |
| Arcspace | 1 |
1 |
| Other owners | 0 |