- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/70 - Lamps with low-pressure unconstricted discharge
Patent holdings for IPC class H01J 61/70
Total number of patents in this class: 16
10-year publication summary
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1
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0
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0
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0
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0
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0
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0
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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
|
|---|---|---|
| OSRAM GmbH | 2389 |
5 |
| Koninklijke Philips Electronics N.V. | 10060 |
3 |
| Au Optronics Corporation | 3532 |
1 |
| OSRAM SYLVANIA Inc. | 685 |
1 |
| Foundation for Advancement of International Science | 20 |
1 |
| ITT Manufacturing Enterprises, Inc. | 171 |
1 |
| John W. Kunze | 1 |
1 |
| National University Corporation Tohoku University | 181 |
1 |
| Yehi-or Light Creation Ltd. | 3 |
1 |
| Philips Intellectual Property & Standards GmbH | 1989 |
1 |
| Other owners | 0 |