- 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: 22
10-year publication summary
|
2
|
0
|
1
|
3
|
4
|
1
|
0
|
2
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aquasium Technology Limited | 14 |
6 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
2 |
| Tsinghua University | 5426 |
2 |
| Universität Innsbruck | 107 |
2 |
| Arcam AB | 204 |
1 |
| FEI Company | 851 |
1 |
| Fibics Incorporated | 23 |
1 |
| Global Beam Technologies AG | 6 |
1 |
| Pro-Beam AG & Co. KGAA | 9 |
1 |
| Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen | 270 |
1 |
| TWi Limited | 17 |
1 |
| Consorzio di Ricerca Hypatia | 3 |
1 |
| PTR Präzisionstechnik GmbH | 2 |
1 |
| Elve Inc. | 13 |
1 |
| Other owners | 0 |