Patent holdings for IPC class F21W 131/405

Total number of patents in this class: 175

10-year publication summary

13
20
19
24
12
6
3
3
4
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Signify Holding B.V.
7822
19
RTC Industries, Inc.
199
17
Seoul Semiconductor Co., Ltd.
1072
14
Self Electronics Co., Ltd.
168
13
Koninklijke Philips Electronics N.V.
8285
4
Hussmann Corporation
224
4
General LED Opco, LLC
32
4
LIN, Wanjiong
10
4
Self Electronics Germany GmbH
13
4
Electraled, Inc.
30
3
Finesse Diamond Corporation
24
3
Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC
387
3
Panasonic Intellectual Property Management Co., Ltd.
33168
2
OSRAM GmbH
2327
2
OSRAM SYLVANIA Inc.
668
2
Nichia Corporation
3807
2
Henschel-Steinau, Inc.
27
2
Innotec Corporation
56
2
Koha Co., Ltd.
63
2
Philips Lighting Holding B.V.
1343
2
Other owners 67