- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/62 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing gallium, indium or thallium
Patent holdings for IPC class C09K 11/62
Total number of patents in this class: 705
10-year publication summary
|
42
|
34
|
51
|
53
|
58
|
43
|
53
|
64
|
75
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34641 |
51 |
| Samsung Electronics Co., Ltd. | 145864 |
43 |
| Nichia Corporation | 3699 |
43 |
| Osaka University | 3377 |
30 |
| National University Corporation Tokai National Higher Education and Research System | 721 |
24 |
| FUJIFILM Corporation | 29350 |
19 |
| Dexerials Corporation | 1965 |
18 |
| Duk San Neolux Co., Ltd. | 649 |
15 |
| Shoei Chemical Inc. | 321 |
14 |
| Mitsubishi Chemical Corporation | 4498 |
12 |
| Mitsui Mining & Smelting Co., Ltd. | 1481 |
12 |
| Merck Patent GmbH | 5830 |
10 |
| Panasonic Corporation | 20124 |
10 |
| National University Corporation Nagoya University | 857 |
10 |
| Sharp Kabushiki Kaisha | 18764 |
10 |
| National Institute for Materials Science | 1104 |
9 |
| Nippon Electric Glass Co., Ltd. | 2455 |
8 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 396 |
8 |
| Samsung SDI Co., Ltd. | 8276 |
7 |
| Sumitomo Chemical Company, Limited | 9047 |
7 |
| Other owners | 345 |