- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/28 - Interdigital slow-wave structures; Adjustment therefor
Patent holdings for IPC class H01J 23/28
Total number of patents in this class: 3
10-year publication summary
|
1
|
1
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Network and Sensor Systems, Ltd. | 49 |
2 |
| Amkor Technology Singapore Holding Pte.ltd. | 555 |
1 |
| Other owners | 0 |