• 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: 2241

10-year publication summary

293
303
293
248
228
205
167
66
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.
147501
104
FUJIFILM Corporation
29543
62
Panasonic Intellectual Property Management Co., Ltd.
31806
55
LG Chem, Ltd.
17644
48
Sony Semiconductor Solutions Corporation
10599
47
Sony Corporation
30936
46
Sekisui Chemical Co., Ltd.
3441
44
Toshiba Corporation
12472
43
Sumitomo Chemical Company, Limited
9047
35
Pictiva Displays International Limited
262
35
Commissariat à l'énergie atomique et aux energies alternatives
10941
32
Ricoh Company, Ltd.
13316
30
Heliatek GmbH
131
27
The Regents of the University of Michigan
4739
25
OSRAM OLED GmbH
1777
25
Isorg
144
23
Hon Hai Precision Industry Co., Ltd.
4030
21
Tsinghua University
5951
21
Toshiba Energy Systems & Solutions Corp.
1086
21
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6266
20
Other owners 1477