Patent holdings for IPC class H01J 3/30

Total number of patents in this class: 4

10-year publication summary

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2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toshiba Corporation
12608
1
Advanced Plasmonics, Inc.
17
1
LILAS GmbH
11
1
Applied Plasmonics, Inc.
16
1
Other owners 0