Patent holdings for IPC class H01J 29/68

Total number of patents in this class: 3

10-year publication summary

1
1
0
0
0
0
1
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
General Electric Company
13793
2
KLA-Tencor Corporation
2544
1
Other owners 0