- 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 circuitPrevention of high frequency leakage in the environment
Patent holdings for IPC class H01J 23/54
Total number of patents in this class: 12
10-year publication summary
|
0
|
2
|
1
|
4
|
1
|
0
|
1
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Hokuto Electronics Corporation | 26 |
3 |
| L3Harris Technologies, Inc. | 304 |
2 |
| LG Electronics Inc. | 73531 |
1 |
| Panasonic Corporation | 20050 |
1 |
| Rockwell Collins, Inc. | 2501 |
1 |
| Midea Group Co., Ltd. | 4600 |
1 |
| Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 326 |
1 |
| Guangdong Witol Vacuum Electronic Manufacture Co., Ltd | 11 |
1 |
| Elve Inc. | 30 |
1 |
| Other owners | 0 |