- 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: 93
10-year publication summary
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5
|
5
|
6
|
2
|
2
|
2
|
4
|
2
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2186 |
6 |
| Osram AG | 286 |
6 |
| General Electric Company | 13982 |
4 |
| OSRAM SYLVANIA Inc. | 673 |
4 |
| The Boeing Company | 20193 |
3 |
| Panasonic Corporation | 18716 |
3 |
| Photoscience Japan Corporation | 23 |
3 |
| Ushio Denki Kabushiki Kaisha | 1210 |
3 |
| Sharp Kabushiki Kaisha | 18480 |
3 |
| Hamamatsu Photonics K.K. | 4713 |
2 |
| Goodrich Corporation | 2181 |
2 |
| LEDVANCE GmbH | 589 |
2 |
| Lucidity Lights, Inc. | 37 |
2 |
| OSRAM S.p.A. - Societa' Riunite OSRAM Edison Clerici | 102 |
2 |
| Honeywell International Inc. | 12766 |
1 |
| Seiko Epson Corporation | 20446 |
1 |
| Koninklijke Philips N.V. | 26042 |
1 |
| Applied Materials, Inc. | 20579 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8470 |
1 |
| Automotive Lighting Reutlingen GmbH | 60 |
1 |
| Other owners | 42 |