• 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: 2198

10-year publication summary

303
292
248
227
204
158
59
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.
157557
102
FUJIFILM Corporation
30512
62
Panasonic Intellectual Property Management Co., Ltd.
33911
53
LG Chem, Ltd.
17921
48
Sony Corporation
30208
46
Sony Semiconductor Solutions Corporation
11551
46
Sekisui Chemical Co., Ltd.
3606
44
Toshiba Corporation
12548
42
Sumitomo Chemical Company, Limited
8996
35
Pictiva Displays International Limited
253
35
Commissariat à l'énergie atomique et aux energies alternatives
11127
31
Ricoh Company, Ltd.
13346
30
The Regents of the University of Michigan
4979
25
Heliatek GmbH
139
25
Isorg
143
23
Hon Hai Precision Industry Co., Ltd.
4026
21
Tsinghua University
6212
21
Toshiba Energy Systems & Solutions Corp.
1150
21
Samsung Display Co., Ltd.
38570
20
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6181
20
Other owners 1448