- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21K - Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light sources not otherwise provided for
- F21K 9/60 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
Patent holdings for IPC class F21K 9/60
Total number of patents in this class: 559
10-year publication summary
82
|
88
|
82
|
71
|
70
|
64
|
41
|
35
|
19
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Innotek Co., Ltd. | 6758 |
47 |
Signify Holding B.V. | 6837 |
42 |
Quarkstar LLC | 215 |
24 |
Ideal Industries Lighting LLC | 1168 |
15 |
Chien, Aaron | 109 |
14 |
Chien, Te-ju | 109 |
14 |
Wang, Hsin-yi | 109 |
14 |
Savant Technologies, LLC | 343 |
12 |
Lumileds LLC | 1827 |
11 |
Nichia Corporation | 3394 |
9 |
ABL IP Holding LLC | 1929 |
9 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
9 |
Seoul Semiconductor Co., Ltd. | 1073 |
8 |
Samsung Electronics Co., Ltd. | 131630 |
7 |
Kyocera Sld Laser, Inc. | 281 |
6 |
Korrus, Inc. | 447 |
6 |
Arkalumen Inc. | 44 |
5 |
Bridgelux, Inc. | 351 |
5 |
iLumisys, Inc. | 133 |
5 |
LEDVANCE GmbH | 564 |
5 |
Other owners | 292 |