- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/68 - Lamps in which the main discharge is between parts of a current-carrying guide, e.g. halo lamp
Patent holdings for IPC class H01J 61/68
Total number of patents in this class: 22
10-year publication summary
3
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0
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0
|
0
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1
|
0
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0
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1
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hamamatsu Photonics K.K. | 4161 |
9 |
Heraeus Noblelight GmbH | 233 |
5 |
Nu Eco Engineering Co., Ltd. | 31 |
2 |
Tokyo Electron Limited | 11599 |
1 |
Shimadzu Corporation | 5791 |
1 |
Katagiri Engineering Co., Ltd. | 11 |
1 |
Meijo University | 112 |
1 |
National University Corporation Nagoya University | 921 |
1 |
LAZAREV, Nikolai | 1 |
1 |
Other owners | 0 |