- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/18 - Ion sources; Ion guns using spark ionisation
Patent holdings for IPC class H01J 49/18
Total number of patents in this class: 5
10-year publication summary
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0
|
0
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuctech Company Limited | 1275 |
2 |
| Micromass UK Limited | 1121 |
1 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 155 |
1 |
| Exum Instruments | 8 |
1 |
| Other owners | 0 |