- 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: 29
10-year publication summary
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3
|
1
|
1
|
3
|
0
|
2
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0
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2210 |
2 |
| OSRAM SYLVANIA Inc. | 628 |
2 |
| Eden Park Illumination | 3 |
2 |
| Savant Technologies, LLC | 386 |
2 |
| Samsung Electronics Co., Ltd. | 157719 |
1 |
| Merck Patent GmbH | 5728 |
1 |
| Mitsubishi Electric Corporation | 48018 |
1 |
| Nichia Corporation | 3874 |
1 |
| EI LIGHTING Co., Ltd. | 8 |
1 |
| General Hydroponics, Inc. | 1 |
1 |
| Lucidity Lights, Inc. | 37 |
1 |
| Nanoco Technologies Ltd. | 143 |
1 |
| Narva Lichtquellen GmbH & Co. KG | 7 |
1 |
| Saint-Gobain Glass France | 3239 |
1 |
| Umicore AG & Co. KG | 853 |
1 |
| Universitetet I Oslo | 162 |
1 |
| Ushio Denki Kabushiki Kaisha | 1207 |
1 |
| Shikoh Tech LLC | 5 |
1 |
| Xylem Europe GmbH | 224 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
1 |
| Other owners | 5 |