- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications 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: 996
10-year publication summary
|
74
|
65
|
51
|
52
|
30
|
55
|
50
|
36
|
30
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5825 |
52 |
| Konica Minolta Medical & Graphic, Inc. | 816 |
38 |
| Tohoku University | 2734 |
31 |
| Tokuyama Corporation | 1362 |
28 |
| Nippon Electric Glass Co., Ltd. | 2430 |
25 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6276 |
17 |
| Cynora GmbH | 202 |
16 |
| Toshiba Materials Co., Ltd. | 653 |
16 |
| Samsung Electronics Co., Ltd. | 142124 |
15 |
| Sumitomo Chemical Company, Limited | 8986 |
15 |
| Semiconductor Energy Laboratory Co., Ltd. | 11245 |
13 |
| FUJIFILM Corporation | 29082 |
12 |
| Hamamatsu Photonics K.K. | 4363 |
12 |
| Samsung Display Co., Ltd. | 33684 |
11 |
| BASF SE | 20616 |
11 |
| National Institute of Advanced Industrial Science and Technology | 3754 |
11 |
| Nichia Corporation | 3635 |
10 |
| Sharp Kabushiki Kaisha | 18854 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 30506 |
9 |
| Mitsubishi Chemical Corporation | 4465 |
9 |
| Other owners | 635 |