Patent holdings for IPC class H01J 31/28

Total number of patents in this class: 13

10-year publication summary

2
2
0
0
0
0
0
0
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Pioneer Corporation
4843
7
Pioneer Micro Technology Corporation
59
4
KLA-Tencor Corporation
2574
1
Nano-x Imaging Ltd
13
1
Other owners 0