- 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: 995
10-year publication summary
|
65
|
51
|
52
|
30
|
55
|
54
|
38
|
33
|
19
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5735 |
50 |
| Tohoku University | 3007 |
31 |
| Konica Minolta Medical & Graphic, Inc. | 582 |
29 |
| Tokuyama Corporation | 1483 |
28 |
| Nippon Electric Glass Co., Ltd. | 2558 |
24 |
| Samsung Electronics Co., Ltd. | 158442 |
16 |
| Cynora GmbH | 201 |
16 |
| Toshiba Materials Co., Ltd. | 563 |
16 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6169 |
16 |
| Sumitomo Chemical Company, Limited | 8968 |
14 |
| FUJIFILM Corporation | 30594 |
13 |
| BASF SE | 21306 |
12 |
| Hamamatsu Photonics K.K. | 4697 |
12 |
| Samsung Display Co., Ltd. | 38817 |
11 |
| Mitsubishi Chemical Corporation | 4734 |
10 |
| Nichia Corporation | 3884 |
10 |
| Sharp Kabushiki Kaisha | 18502 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
9 |
| National Institute for Materials Science | 1088 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
8 |
| Other owners | 651 |