- 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: 2707
10-year publication summary
|
10
|
24
|
67
|
103
|
291
|
367
|
412
|
535
|
457
|
300
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 39012 |
633 |
| Semiconductor Energy Laboratory Co., Ltd. | 11890 |
163 |
| Idemitsu Kosan Co., Ltd. | 4269 |
163 |
| LG Display Co., Ltd. | 15038 |
145 |
| Boe Technology Group Co., Ltd. | 44549 |
118 |
| LG Chem, Ltd. | 17967 |
107 |
| Sharp Display Technology Corporation | 1269 |
91 |
| Samsung Electronics Co., Ltd. | 158842 |
88 |
| Duk San Neolux Co., Ltd. | 703 |
84 |
| Universal Display Corporation | 2101 |
84 |
| Sharp Corporation | 10860 |
70 |
| Merck Patent GmbH | 5742 |
67 |
| LT Materials Co., Ltd. | 447 |
55 |
| Samsung SDI Co., Ltd. | 10782 |
53 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 325 |
47 |
| Beijing BOE Technology Development Co., Ltd. | 4357 |
46 |
| Hodogaya Chemical Co., Ltd. | 431 |
45 |
| TCL Technology Group Corporation | 622 |
39 |
| SFC Co., Ltd. | 337 |
27 |
| DuPont Specialty Materials Korea Ltd. | 307 |
27 |
| Other owners | 555 |