Patent holdings for IPC class H01J 7/30

Total number of patents in this class: 4

10-year publication summary

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2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Panasonic Corporation
19937
1
Panasonic Intellectual Property Management Co., Ltd.
32551
1
Ushio Denki Kabushiki Kaisha
1208
1
Tel Manufacturing and Engineering of America, Inc.
138
1
Other owners 0