- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/56 - One or more circuit elements structurally associated with the lamp
Patent holdings for IPC class H01J 61/56
Total number of patents in this class: 103
10-year publication summary
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4
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5
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5
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6
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2
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2
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2
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4
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2
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2
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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 | 2383 |
8 |
| Osram AG | 301 |
6 |
| General Electric Company | 13780 |
5 |
| OSRAM SYLVANIA Inc. | 683 |
4 |
| Sharp Kabushiki Kaisha | 18744 |
4 |
| The Boeing Company | 20043 |
3 |
| Panasonic Corporation | 20110 |
3 |
| Photoscience Japan Corporation | 21 |
3 |
| Hamamatsu Photonics K.K. | 4417 |
2 |
| Goodrich Corporation | 2129 |
2 |
| LEDVANCE GmbH | 577 |
2 |
| Lucidity Lights, Inc. | 34 |
2 |
| OSRAM S.p.A. - Societa' Riunite OSRAM Edison Clerici | 100 |
2 |
| Trojan Technologies Inc. | 51 |
2 |
| Ushio Denki Kabushiki Kaisha | 1178 |
2 |
| Honeywell International Inc. | 13545 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 1493 |
1 |
| Seiko Epson Corporation | 19352 |
1 |
| Koninklijke Philips N.V. | 24786 |
1 |
| Koninklijke Philips Electronics N.V. | 9658 |
1 |
| Other owners | 48 |