- 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: 18
10-year publication summary
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0
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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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1
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4382 |
5 |
| Heraeus Noblelight GmbH | 131 |
5 |
| Nu Eco Engineering Co., Ltd. | 29 |
2 |
| Tokyo Electron Limited | 12511 |
1 |
| Shimadzu Corporation | 6132 |
1 |
| Katagiri Engineering Co., Ltd. | 10 |
1 |
| Meijo University | 120 |
1 |
| National University Corporation Nagoya University | 864 |
1 |
| LAZAREV, Nikolai | 1 |
1 |
| Other owners | 0 |