Patent holdings for IPC class H01J 11/28

Total number of patents in this class: 6

10-year publication summary

0
0
1
1
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
LG Electronics Inc.
69257
2
Matsushita Electric Industrial Co., Ltd.
4724
2
Applied Materials, Inc.
16587
1
Axcelis Technologies, Inc.
429
1
Other owners 0