- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/88 - Lamps with discharge constricted by high pressure with discharge additionally constricted by envelope
Patent holdings for IPC class H01J 61/88
Total number of patents in this class: 21
10-year publication summary
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0
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0
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1
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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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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Iwasaki Electric Co., Ltd. | 156 |
5 |
| Panasonic Corporation | 18751 |
4 |
| Toshiba Lighting & Technology Corporation | 221 |
4 |
| Harison Toshiba Lighting Corp. | 27 |
2 |
| ORC Manufacturing Co., Ltd. | 76 |
2 |
| Ushio Denki Kabushiki Kaisha | 1210 |
2 |
| Phoenix Electric Co., Ltd. | 41 |
1 |
| PLANSEE SE | 231 |
1 |
| Other owners | 0 |