- 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: 2419
10-year publication summary
|
10
|
24
|
66
|
99
|
285
|
346
|
373
|
528
|
456
|
105
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 37561 |
571 |
| Idemitsu Kosan Co., Ltd. | 4225 |
157 |
| Semiconductor Energy Laboratory Co., Ltd. | 11644 |
135 |
| LG Display Co., Ltd. | 14207 |
129 |
| Boe Technology Group Co., Ltd. | 42723 |
107 |
| LG Chem, Ltd. | 17786 |
94 |
| Samsung Electronics Co., Ltd. | 152716 |
88 |
| Duk San Neolux Co., Ltd. | 676 |
80 |
| Universal Display Corporation | 2018 |
78 |
| Sharp Display Technology Corporation | 1108 |
78 |
| Sharp Corporation | 10421 |
68 |
| Merck Patent GmbH | 5733 |
55 |
| LT Materials Co., Ltd. | 428 |
44 |
| Samsung SDI Co., Ltd. | 9590 |
43 |
| Beijing BOE Technology Development Co., Ltd. | 3823 |
41 |
| Hodogaya Chemical Co., Ltd. | 431 |
40 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 306 |
39 |
| TCL Technology Group Corporation | 608 |
34 |
| SFC Co., Ltd. | 330 |
24 |
| DuPont Specialty Materials Korea Ltd. | 289 |
23 |
| Other owners | 491 |