- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/54 - Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment
Patent holdings for IPC class H01J 23/54
Total number of patents in this class: 9
10-year publication summary
1
|
0
|
2
|
1
|
4
|
1
|
0
|
1
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0
|
1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toshiba Hokuto Electronics Corporation | 27 |
3 |
LG Electronics Inc. | 69257 |
1 |
Panasonic Corporation | 20786 |
1 |
Rockwell Collins, Inc. | 2402 |
1 |
Midea Group Co., Ltd. | 4025 |
1 |
Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 290 |
1 |
Guangdong Witol Vacuum Electronic Manufacture Co., Ltd | 3 |
1 |
Other owners | 0 |