• All sections
  • H - Electricity
  • H01L - Semiconductor devices not covered by class
  • H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation

Patent holdings for IPC class H01L 51/42

Total number of patents in this class: 3964

10-year publication summary

357
373
434
384
384
312
226
115
2
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
9109
209
Samsung Electronics Co., Ltd.
149087
129
FUJIFILM Corporation
29817
116
LG Chem, Ltd.
17679
115
Sony Corporation
30787
110
Sony Semiconductor Solutions Corporation
10823
108
The Regents of the University of Michigan
4780
78
Panasonic Intellectual Property Management Co., Ltd.
32457
73
Merck Patent GmbH
5759
50
Toshiba Corporation
12548
45
Raynergy Tek Inc.
111
44
Alliance for Sustainable Energy, LLC
829
41
Konica Minolta Holdings, Inc.
877
40
BASF SE
21087
37
Korea Research Institute of Chemical Technology
1413
36
Oxford Photovoltaics Limited
91
35
Massachusetts Institute of Technology
10143
33
Ricoh Company, Ltd.
13371
31
Heliatek GmbH
132
31
Phillips 66 Company
1057
30
Other owners 2573