• All sections
  • H - Electricity
  • H01L - Semiconductor devices not covered by class
  • H01L 51/44 - 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 - Details of devices

Patent holdings for IPC class H01L 51/44

Total number of patents in this class: 2253

10-year publication summary

293
303
293
249
228
205
171
68
3
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
144675
104
FUJIFILM Corporation
29273
64
Panasonic Intellectual Property Management Co., Ltd.
31084
55
LG Chem, Ltd.
17581
48
Sony Semiconductor Solutions Corporation
10355
47
Sony Corporation
31124
46
Sekisui Chemical Co., Ltd.
3381
45
Toshiba Corporation
12317
43
Sumitomo Chemical Company, Limited
9027
35
Pictiva Displays International Limited
264
35
Commissariat à l'énergie atomique et aux energies alternatives
10925
32
Ricoh Company, Ltd.
13205
30
Heliatek GmbH
131
27
The Regents of the University of Michigan
4675
26
OSRAM OLED GmbH
1783
25
Isorg
144
23
Hon Hai Precision Industry Co., Ltd.
4040
21
Tsinghua University
5855
21
Toshiba Energy Systems & Solutions Corp.
1071
21
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6275
20
Other owners 1485