• 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: 3895

10-year publication summary

373
434
384
384
309
223
113
2
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8996
206
Samsung Electronics Co., Ltd.
157557
129
LG Chem, Ltd.
17921
115
FUJIFILM Corporation
30512
115
Sony Corporation
30208
110
Sony Semiconductor Solutions Corporation
11551
108
The Regents of the University of Michigan
4979
74
Panasonic Intellectual Property Management Co., Ltd.
33911
73
Merck Patent GmbH
5725
48
Toshiba Corporation
12548
45
Raynergy Tek Inc.
112
43
Konica Minolta Holdings, Inc.
792
40
BASF SE
21303
36
Korea Research Institute of Chemical Technology
1469
36
Oxford Photovoltaics Limited
94
35
Massachusetts Institute of Technology
10239
33
Ricoh Company, Ltd.
13346
31
Heliatek GmbH
139
31
Phillips 66 Company
1019
30
Konica Minolta, Inc.
9116
29
Other owners 2528