- All sections
- H - Electricity
- H10K - Organic electric solid-state devices
- H10K 50/15 - Hole transporting layers
Patent holdings for IPC class H10K 50/15
Total number of patents in this class: 786
10-year publication summary
|
1
|
0
|
4
|
11
|
38
|
56
|
148
|
103
|
276
|
109
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 30585 |
158 |
| Samsung Electronics Co., Ltd. | 131630 |
53 |
| Idemitsu Kosan Co., Ltd. | 3995 |
48 |
| LG Chem, Ltd. | 17205 |
45 |
| LG Display Co., Ltd. | 11907 |
44 |
| Boe Technology Group Co., Ltd. | 35384 |
40 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
35 |
| Universal Display Corporation | 1678 |
33 |
| Sharp Corporation | 10015 |
27 |
| Duk San Neolux Co., Ltd. | 512 |
22 |
| Merck Patent GmbH | 5909 |
18 |
| Hodogaya Chemical Co., Ltd. | 417 |
17 |
| LT Materials Co., Ltd. | 312 |
17 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 190 |
13 |
| TCL Technology Group Corporation | 466 |
12 |
| Sharp Display Technology Corporation | 390 |
11 |
| Japan Display Inc. | 6202 |
10 |
| Sumitomo Chemical Company, Limited | 8808 |
9 |
| SFC Co., Ltd. | 277 |
9 |
| Samsung SDI Co., Ltd. | 6671 |
7 |
| Other owners | 158 |