- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 11/00 - Luminescent, e.g. electroluminescent, chemiluminescent, materials
Patent holdings for IPC class C09K 11/00
Total number of patents in this class: 1010
10-year publication summary
|
80
|
74
|
65
|
51
|
52
|
30
|
54
|
48
|
35
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5909 |
54 |
| Konica Minolta Medical & Graphic, Inc. | 986 |
44 |
| Tohoku University | 2526 |
31 |
| Tokuyama Corporation | 1248 |
28 |
| Nippon Electric Glass Co., Ltd. | 2299 |
25 |
| Samsung Electronics Co., Ltd. | 131630 |
16 |
| Cynora GmbH | 203 |
16 |
| Sumitomo Chemical Company, Limited | 8808 |
15 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
14 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
13 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
13 |
| Toshiba Materials Co., Ltd. | 600 |
13 |
| BASF SE | 19740 |
12 |
| FUJIFILM Corporation | 27102 |
12 |
| Samsung Display Co., Ltd. | 30585 |
11 |
| Hamamatsu Photonics K.K. | 4161 |
11 |
| Nichia Corporation | 3394 |
10 |
| Sharp Kabushiki Kaisha | 18957 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
| Idemitsu Kosan Co., Ltd. | 3995 |
9 |
| Other owners | 644 |