- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/38 - Devices for influencing the colour or wavelength of the light
Patent holdings for IPC class H01J 61/38
Total number of patents in this class: 15
10-year publication summary
|
1
|
5
|
0
|
1
|
0
|
0
|
0
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trojan Technologies Inc. | 51 |
2 |
| General Electric Company | 13808 |
1 |
| Koninklijke Philips Electronics N.V. | 9564 |
1 |
| The Board of Trustees of the University of Illinois | 2695 |
1 |
| Alpha-Cure Limited | 7 |
1 |
| Eden Park Illumination, Inc. | 4 |
1 |
| Excelitas Technologies Corp. | 315 |
1 |
| Lumileds LLC | 702 |
1 |
| Phoseon Technology, Inc. | 61 |
1 |
| Eta Plus Electronic GmbH | 4 |
1 |
| Philips Intellectual Property & Standards GmbH | 1920 |
1 |
| Signify Holding B.V. | 7570 |
1 |
| Ideal Industries Lighting LLC | 940 |
1 |
| Trojan Technologies ULC | 1 |
1 |
| Other owners | 0 |