- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 51/05 - 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 for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier
Patent holdings for IPC class H01L 51/05
Total number of patents in this class: 3534
10-year publication summary
341
|
386
|
379
|
343
|
249
|
219
|
122
|
106
|
31
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
183 |
Sumitomo Chemical Company, Limited | 8808 |
161 |
Samsung Electronics Co., Ltd. | 131630 |
95 |
Samsung Display Co., Ltd. | 30585 |
84 |
Boe Technology Group Co., Ltd. | 35384 |
77 |
International Business Machines Corporation | 60644 |
65 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
63 |
Merck Patent GmbH | 5909 |
62 |
Tsinghua University | 5426 |
61 |
The University of Tokyo | 3903 |
59 |
Osaka University | 3143 |
50 |
Clap Co., Ltd. | 86 |
50 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
47 |
Toray Industries, Inc. | 6652 |
47 |
Konica Minolta Holdings, Inc. | 1086 |
46 |
Sony Corporation | 32931 |
44 |
Flexterra, Inc. | 123 |
44 |
Idemitsu Kosan Co., Ltd. | 3995 |
43 |
BASF SE | 19740 |
37 |
Panasonic Corporation | 20786 |
36 |
Other owners | 2180 |