- 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: 997
10-year publication summary
|
74
|
65
|
51
|
52
|
30
|
55
|
51
|
37
|
30
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5831 |
52 |
| Konica Minolta Medical & Graphic, Inc. | 783 |
37 |
| Tohoku University | 2783 |
31 |
| Tokuyama Corporation | 1389 |
28 |
| Nippon Electric Glass Co., Ltd. | 2456 |
25 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6274 |
17 |
| Cynora GmbH | 202 |
16 |
| Toshiba Materials Co., Ltd. | 667 |
16 |
| Samsung Electronics Co., Ltd. | 146092 |
15 |
| Sumitomo Chemical Company, Limited | 9046 |
15 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
13 |
| FUJIFILM Corporation | 29367 |
12 |
| Hamamatsu Photonics K.K. | 4417 |
12 |
| Samsung Display Co., Ltd. | 34696 |
11 |
| BASF SE | 20933 |
11 |
| National Institute of Advanced Industrial Science and Technology | 3803 |
11 |
| Nichia Corporation | 3701 |
10 |
| Sharp Kabushiki Kaisha | 18744 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
9 |
| Mitsubishi Chemical Corporation | 4507 |
9 |
| Other owners | 637 |