• 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: 2193

10-year publication summary

303
292
248
227
204
157
58
2
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
158842
102
FUJIFILM Corporation
30653
62
Panasonic Intellectual Property Management Co., Ltd.
34403
53
LG Chem, Ltd.
17967
48
Sony Corporation
30080
46
Sony Semiconductor Solutions Corporation
11823
45
Sekisui Chemical Co., Ltd.
3638
44
Toshiba Corporation
12660
42
Sumitomo Chemical Company, Limited
8967
35
Pictiva Displays International Limited
252
35
Commissariat à l'énergie atomique et aux energies alternatives
11128
31
Ricoh Company, Ltd.
13355
30
Heliatek GmbH
139
25
The Regents of the University of Michigan
5030
24
Isorg
143
23
Hon Hai Precision Industry Co., Ltd.
4018
21
Tsinghua University
6245
21
Toshiba Energy Systems & Solutions Corp.
1142
21
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6162
20
Samsung Display Co., Ltd.
39012
19
Other owners 1446