- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/30 - Igniting arrangements
Patent holdings for IPC class H01J 17/30
Total number of patents in this class: 8
10-year publication summary
|
1
|
0
|
1
|
0
|
0
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0
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aerojet Rocketdyne, Inc. | 166 |
2 |
| KLA-Tencor Corporation | 2543 |
2 |
| Hamamatsu Photonics K.K. | 4464 |
1 |
| Ushio Denki Kabushiki Kaisha | 1196 |
1 |
| Powerwave Technologies Sweden AB | 9 |
1 |
| Signify Holding B.V. | 7629 |
1 |
| Other owners | 0 |