Patent holdings for IPC class F21V 9/38

Total number of patents in this class: 212

10-year publication summary

1
1
16
27
39
37
34
20
20
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Signify Holding B.V.
7407
23
Panasonic Intellectual Property Management Co., Ltd.
30903
21
Quarkstar LLC
222
16
Kyocera Corporation
13680
14
Korrus, Inc.
463
13
Toray Industries, Inc.
6886
8
Mitsubishi Chemical Corporation
4480
8
National Institute for Materials Science
1109
8
Nichia Corporation
3649
7
FUJIFILM Corporation
29208
5
Sharp Kabushiki Kaisha
18813
5
Sony Group Corporation
13455
5
Ichikoh Industries, Ltd.
341
4
Sony Corporation
31157
3
Delta Electronics, Inc.
2581
3
Bridgelux, Inc.
364
3
Maxim Lighting International, Inc.
17
3
Avantama AG
48
3
ABL IP Holding LLC
1901
2
Foshan Nationstar Optoelectronics Co., Ltd.
100
2
Other owners 56