Patent holdings for IPC class F21S 4/24

Total number of patents in this class: 310

10-year publication summary

27
36
37
47
48
42
31
36
27
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Signify Holding B.V.
7785
32
Lumileds Singapore Pte. Ltd.
1263
21
Nichia Corporation
3796
8
Opple Lighting Co., Ltd.
866
8
Suzhou Opple Lighting Co., Ltd.
642
8
OPTOTRONIC GmbH
151
6
Bridgelux, Inc.
372
5
Elemental LED, Inc.
175
5
Blueview Elec-optic Tech Co., Ltd.
21
5
OSRAM GmbH
2339
4
ABL IP Holding LLC
1892
4
Leedarson Lighting Co., Ltd.
177
4
Lumileds Holding B.V.
322
4
Lumileds LLC
742
4
Rev-A-Shelf Company, LLC
73
4
Zyntony, Inc.
12
4
Ztarx Corporation Limited
15
4
Guangdong OML Technology Co., Ltd.
28
4
Avid Labs LLC
27
3
Chauvet & Sons, LLC
123
3
Other owners 170