Patent holdings for IPC class F21S 4/00

Total number of patents in this class: 1336

10-year publication summary

115
63
68
30
42
14
14
18
16
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
OSRAM GmbH
2210
53
Signify Holding B.V.
8052
47
Ideal Industries Lighting LLC
930
29
Zumtobel Lighting GmbH
758
25
Koninklijke Philips N.V.
25856
21
The Sloan Company, Inc.
54
21
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8471
19
Willis Electric Co., Ltd.
94
19
Philips Lighting Holding B.V.
1325
17
Suzhou Lekin Semiconductor Co., Ltd.
1253
17
Koninklijke Philips Electronics N.V.
7455
15
ABL IP Holding LLC
1887
13
Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC
385
13
Osram AG
287
12
Boe Technology Group Co., Ltd.
44029
10
iLumisys, Inc.
127
10
Korrus, Inc.
487
10
Nichia Corporation
3874
9
Marimils Oy
25
9
Elemental LED, Inc.
186
8
Other owners 959