Patent holdings for IPC class H01J 9/48

Total number of patents in this class: 6

10-year publication summary

0
1
0
1
0
1
0
1
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Tokyo Electron Limited
11599
2
Siemens AG
24990
1
OSRAM GmbH
2442
1
National University of Singapore
2228
1
Fotolec Technologies Plc
1
1
Other owners 0