- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/42 - Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
Patent holdings for IPC class H01J 61/42
Total number of patents in this class: 36
10-year publication summary
|
3
|
3
|
1
|
1
|
3
|
0
|
2
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2382 |
3 |
| Honeywell International Inc. | 13540 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 1411 |
2 |
| OSRAM SYLVANIA Inc. | 680 |
2 |
| Eden Park Illumination | 3 |
2 |
| Savant Technologies, LLC | 313 |
2 |
| Samsung Electronics Co., Ltd. | 146811 |
1 |
| Merck Patent GmbH | 5815 |
1 |
| Koninklijke Philips Electronics N.V. | 9542 |
1 |
| Mitsubishi Electric Corporation | 46197 |
1 |
| Nichia Corporation | 3713 |
1 |
| EI LIGHTING Co., Ltd. | 8 |
1 |
| General Hydroponics, Inc. | 1 |
1 |
| Lucidity Lights, Inc. | 34 |
1 |
| Nanoco Technologies Ltd. | 143 |
1 |
| Narva Lichtquellen GmbH & Co. KG | 8 |
1 |
| Saint-Gobain Glass France | 3253 |
1 |
| Umicore AG & Co. KG | 855 |
1 |
| Universitetet I Oslo | 157 |
1 |
| Ushio Denki Kabushiki Kaisha | 1185 |
1 |
| Other owners | 9 |