• 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: 3989

10-year publication summary

357
373
434
385
384
313
233
123
3
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
9051
209
Samsung Electronics Co., Ltd.
147334
132
FUJIFILM Corporation
29506
117
LG Chem, Ltd.
17643
116
Sony Corporation
30957
110
Sony Semiconductor Solutions Corporation
10570
108
The Regents of the University of Michigan
4733
78
Panasonic Intellectual Property Management Co., Ltd.
31756
75
Merck Patent GmbH
5820
52
Toshiba Corporation
12397
45
Raynergy Tek Inc.
110
44
Alliance for Sustainable Energy, LLC
807
41
Konica Minolta Holdings, Inc.
906
40
BASF SE
20961
38
Korea Research Institute of Chemical Technology
1400
36
Oxford Photovoltaics Limited
91
35
Massachusetts Institute of Technology
10093
33
Ricoh Company, Ltd.
13292
31
Heliatek GmbH
131
31
Phillips 66 Company
1052
31
Other owners 2587