• 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: 2394

10-year publication summary

273
293
303
295
250
231
227
215
85
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
131630
110
FUJIFILM Corporation
27102
68
Panasonic Intellectual Property Management Co., Ltd.
27812
62
Sony Semiconductor Solutions Corporation
8770
55
LG Chem, Ltd.
17205
51
Sony Corporation
32931
49
Sekisui Chemical Co., Ltd.
3159
45
Toshiba Corporation
12017
44
Sumitomo Chemical Company, Limited
8808
35
Pictiva Displays International Limited
269
35
Commissariat à l'énergie atomique et aux energies alternatives
10525
34
Ricoh Company, Ltd.
13266
32
Heliatek GmbH
122
31
The Regents of the University of Michigan
4409
28
OSRAM OLED GmbH
1841
26
Samsung Display Co., Ltd.
30585
25
Isorg
146
24
Toshiba Energy Systems & Solutions Corp.
954
22
Hon Hai Precision Industry Co., Ltd.
4157
21
Tsinghua University
5426
21
Other owners 1576