- 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: 1011
10-year publication summary
|
74
|
65
|
51
|
52
|
30
|
55
|
50
|
36
|
29
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5847 |
52 |
| Konica Minolta Medical & Graphic, Inc. | 885 |
41 |
| Tohoku University | 2678 |
31 |
| Tokuyama Corporation | 1340 |
28 |
| Nippon Electric Glass Co., Ltd. | 2391 |
25 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6220 |
17 |
| Cynora GmbH | 202 |
16 |
| Toshiba Materials Co., Ltd. | 627 |
16 |
| Samsung Electronics Co., Ltd. | 138518 |
15 |
| Sumitomo Chemical Company, Limited | 8976 |
15 |
| Semiconductor Energy Laboratory Co., Ltd. | 11071 |
13 |
| National Institute of Advanced Industrial Science and Technology | 3730 |
13 |
| BASF SE | 20387 |
12 |
| FUJIFILM Corporation | 28506 |
12 |
| Samsung Display Co., Ltd. | 32700 |
11 |
| Hamamatsu Photonics K.K. | 4305 |
11 |
| Nichia Corporation | 3543 |
10 |
| Sharp Kabushiki Kaisha | 18871 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
9 |
| Mitsubishi Chemical Corporation | 4438 |
9 |
| Other owners | 645 |