Patent holdings for IPC class H01J 29/68

Total number of patents in this class: 3

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
General Electric Company
18133
2
KLA-Tencor Corporation
2574
1
Other owners 0