- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
Patent holdings for IPC class C09K 11/06
Total number of patents in this class: 16418
10-year publication summary
|
1148
|
1238
|
1127
|
1032
|
1057
|
1106
|
1185
|
1334
|
952
|
550
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 38817 |
1274 |
| Universal Display Corporation | 2095 |
985 |
| Idemitsu Kosan Co., Ltd. | 4257 |
973 |
| LG Chem, Ltd. | 17950 |
858 |
| Merck Patent GmbH | 5735 |
595 |
| Semiconductor Energy Laboratory Co., Ltd. | 11855 |
462 |
| Sumitomo Chemical Company, Limited | 8968 |
377 |
| UDC Ireland Limited | 506 |
319 |
| Duk San Neolux Co., Ltd. | 703 |
303 |
| Samsung SDI Co., Ltd. | 10719 |
297 |
| Samsung Electronics Co., Ltd. | 158442 |
280 |
| LG Display Co., Ltd. | 15013 |
245 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
241 |
| Doosan Corporation | 431 |
195 |
| Kyulux, Inc. | 249 |
182 |
| Hodogaya Chemical Co., Ltd. | 430 |
176 |
| Konica Minolta, Inc. | 9150 |
174 |
| SFC Co., Ltd. | 336 |
172 |
| Canon Kabushiki Kaisha | 7360 |
162 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 323 |
159 |
| Other owners | 7989 |