Patent holdings for IPC class H01J 19/66

Total number of patents in this class: 2

10-year publication summary

0
1
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
Toshiba Electron Tubes & Devices Co., Ltd.
56
1
Ultimate Image Corporation
6
1
Other owners 0