- 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: 42
10-year publication summary
|
3
|
3
|
3
|
1
|
1
|
3
|
0
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Matsushita Electric Industrial Co., Ltd. | 4724 |
3 |
| OSRAM GmbH | 2442 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| OSRAM SYLVANIA Inc. | 742 |
2 |
| GTE Products Corporation | 8 |
2 |
| Eden Park Illumination | 3 |
2 |
| Savant Technologies, LLC | 343 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Merck Patent GmbH | 5909 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Sumitomo Chemical Company, Limited | 8808 |
1 |
| Nichia Corporation | 3394 |
1 |
| EI LIGHTING Co., Ltd. | 8 |
1 |
| General Hydroponics, Inc. | 1 |
1 |
| Harison Toshiba Lighting Corp. | 48 |
1 |
| Lucidity Lights, Inc. | 39 |
1 |
| Nanoco Technologies Ltd. | 148 |
1 |
| Narva Lichtquellen GmbH & Co. KG | 8 |
1 |
| Saint-Gobain Glass France | 3641 |
1 |
| Tohoku University | 2526 |
1 |
| Other owners | 13 |