- 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: 37
10-year publication summary
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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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1
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0
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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
|
|---|---|---|
| Harison Toshiba Lighting Corp. | 48 |
7 |
| Toshiba Lighting & Technology Corporation | 340 |
7 |
| Panasonic Corporation | 20786 |
5 |
| Iwasaki Electric Co., Ltd. | 151 |
5 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| ORC Manufacturing Co., Ltd. | 65 |
2 |
| Ushio Denki Kabushiki Kaisha | 1088 |
2 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| OSRAM GmbH | 2442 |
1 |
| GS Yuasa Corporation | 91 |
1 |
| Phoenix Electric Co., Ltd. | 43 |
1 |
| PLANSEE SE | 233 |
1 |
| Ushiodenki Kabushiki Kaisha | 3 |
1 |
| Philips Intellectual Property & Standards GmbH | 2395 |
1 |
| Other owners | 0 |