- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 14692
10-year publication summary
|
905
|
1094
|
1148
|
1234
|
1118
|
1024
|
1037
|
1078
|
1158
|
359
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
991 |
| Samsung Display Co., Ltd. | 30585 |
843 |
| LG Chem, Ltd. | 17205 |
796 |
| Universal Display Corporation | 1678 |
763 |
| Merck Patent GmbH | 5909 |
614 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
445 |
| Sumitomo Chemical Company, Limited | 8808 |
413 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
331 |
| Samsung Electronics Co., Ltd. | 131630 |
327 |
| UDC Ireland Limited | 496 |
292 |
| Duk San Neolux Co., Ltd. | 512 |
263 |
| Samsung SDI Co., Ltd. | 6671 |
238 |
| Doosan Corporation | 444 |
201 |
| Konica Minolta, Inc. | 8349 |
174 |
| Hodogaya Chemical Co., Ltd. | 417 |
174 |
| LG Display Co., Ltd. | 11907 |
169 |
| Canon Kabushiki Kaisha | 6884 |
153 |
| Kyulux, Inc. | 191 |
146 |
| SFC Co., Ltd. | 277 |
138 |
| Kyushu University, National University Corporation | 1572 |
135 |
| Other owners | 7086 |