• 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: 4007

10-year publication summary

357
373
434
385
384
314
241
123
3
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
9047
211
Samsung Electronics Co., Ltd.
145864
133
FUJIFILM Corporation
29350
119
LG Chem, Ltd.
17620
116
Sony Corporation
31065
110
Sony Semiconductor Solutions Corporation
10430
108
The Regents of the University of Michigan
4693
78
Panasonic Intellectual Property Management Co., Ltd.
31330
75
Merck Patent GmbH
5830
52
Toshiba Corporation
12334
45
Raynergy Tek Inc.
109
44
Alliance for Sustainable Energy, LLC
799
41
Konica Minolta Holdings, Inc.
926
40
BASF SE
20926
38
Korea Research Institute of Chemical Technology
1388
36
Oxford Photovoltaics Limited
86
35
Massachusetts Institute of Technology
10051
33
Ricoh Company, Ltd.
13242
31
Heliatek GmbH
131
31
Phillips 66 Company
1055
31
Other owners 2600