Patent holdings for IPC class H01J 29/66

Total number of patents in this class: 3

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Dymenso LLC
4
2
DB HiTek Co., Ltd.
359
1
Other owners 0