- 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: 23
10-year publication summary
|
1
|
3
|
4
|
1
|
0
|
2
|
3
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aquasium Technology Limited | 20 |
6 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
2 |
| Tsinghua University | 6248 |
2 |
| Universität Innsbruck | 115 |
2 |
| Elve Inc. | 36 |
2 |
| Arcam AB | 200 |
1 |
| FEI Company | 1062 |
1 |
| Global Beam Technologies AG | 5 |
1 |
| Pro-Beam AG & Co. KGAA | 8 |
1 |
| TWi Limited | 24 |
1 |
| Consorzio di Ricerca Hypatia | 3 |
1 |
| PTR Präzisionstechnik GmbH | 2 |
1 |
| US Electron, Inc. | 2 |
1 |
| Arcspace | 1 |
1 |
| Other owners | 0 |