Patent holdings for IPC class H01J 23/09

Total number of patents in this class: 2

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Varian Semiconductor Equipment Associates, Inc.
1282
1
Elve Inc.
13
1
Other owners 0