- 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 |