Patent holdings for IPC class H01J 25/11

Total number of patents in this class: 1

10-year publication summary

0
1
0
0
0
0
0
1
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Canon Electron Tubes & Devices Co., Ltd.
167
1
Other owners 0