- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/40 - Devices for influencing the colour or wavelength of the light by coloured coatings in or on the envelope
Patent holdings for IPC class H01J 61/40
Total number of patents in this class: 127
10-year publication summary
|
2
|
6
|
0
|
7
|
2
|
4
|
2
|
21
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 13133 |
14 |
| Ushio Denki Kabushiki Kaisha | 1088 |
10 |
| Lumenlabs, LLC | 28 |
9 |
| Philips Intellectual Property & Standards GmbH | 2395 |
8 |
| General Electric Company | 18133 |
6 |
| 3m Innovative Properties Company | 18406 |
4 |
| OSRAM GmbH | 2442 |
4 |
| Xenex Disinfection Services Inc. | 89 |
4 |
| Savant Technologies, LLC | 343 |
3 |
| Signify Holding B.V. | 6837 |
3 |
| Langsim Optoelectronic Technologies (Guangdong) Limited | 7 |
3 |
| Samsung Display Co., Ltd. | 30585 |
2 |
| ASML Netherlands B.V. | 6816 |
2 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
2 |
| Excelitas Technologies Corp. | 290 |
2 |
| Express Imaging Systems, LLC | 94 |
2 |
| LightLab Sweden AB | 39 |
2 |
| KLA Corporation | 1223 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| The Boeing Company | 19843 |
1 |
| Other owners | 43 |