Patent holdings for IPC class H01J 3/10

Total number of patents in this class: 3

10-year publication summary

0
0
1
0
0
1
0
0
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hitachi, Ltd.
16452
1
New Japan Radio Co., Ltd.
94
1
Hitachi High-Tech Corporation
4424
1
Other owners 0