Patent holdings for IPC class F21S 4/22

Total number of patents in this class: 283

10-year publication summary

47
40
51
36
32
26
24
32
25
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Signify Holding B.V.
8083
37
Elemental LED, Inc.
186
14
Lumileds Singapore Pte. Ltd.
1264
12
OPTOTRONIC GmbH
150
8
Lumileds Holding B.V.
319
6
Brightz, Ltd.
61
6
PureEdge Lighting LLC
19
6
ABL IP Holding LLC
1887
5
ABL Research Group, LLC
21
5
Korrus, Inc.
487
5
Xiamen Eco Lighting Co. Ltd.
282
4
Nichia Corporation
3876
3
Linea Light S.r.l.
20
3
Novomatic AG
1755
3
Philips Lighting Holding B.V.
1325
3
Valeo Vision
1751
3
Guangdong OML Technology Co., Ltd.
28
3
LightnTec GmbH
18
3
Robert Bosch GmbH
44209
2
Semiconductor Energy Laboratory Co., Ltd.
11842
2
Other owners 150