Patent holdings for IPC class H05B 33/20

Total number of patents in this class: 407

10-year publication summary

41
52
26
33
12
11
12
7
28
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Merck Patent GmbH
5861
52
Idemitsu Kosan Co., Ltd.
4198
32
Sharp Display Technology Corporation
841
28
Semiconductor Energy Laboratory Co., Ltd.
11381
21
LG Chem, Ltd.
17581
18
Universal Display Corporation
1891
18
UDC Ireland Limited
477
10
Sumitomo Chemical Company, Limited
9027
8
Duk San Neolux Co., Ltd.
642
7
Samsung Electronics Co., Ltd.
144675
6
Samsung Display Co., Ltd.
34349
6
Signify Holding B.V.
7443
6
E. I. du Pont de Nemours and Company
4107
5
Samsung SDI Co., Ltd.
8112
5
Koninklijke Philips N.V.
24660
4
Nitto Denko Corporation
8206
4
Dai Nippon Printing Co., Ltd.
4066
4
Cambridge Display Technology Limited
497
4
Florida State University Research Foundation, Inc.
735
4
Nanoco Technologies Ltd.
144
4
Other owners 161