- 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: 714
10-year publication summary
|
40
|
33
|
50
|
53
|
58
|
43
|
53
|
65
|
75
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 36265 |
68 |
| Nichia Corporation | 3777 |
45 |
| Samsung Electronics Co., Ltd. | 149087 |
32 |
| Osaka University | 3382 |
31 |
| National University Corporation Tokai National Higher Education and Research System | 763 |
27 |
| FUJIFILM Corporation | 29817 |
19 |
| Dexerials Corporation | 1959 |
18 |
| Duk San Neolux Co., Ltd. | 667 |
15 |
| Shoei Chemical Inc. | 328 |
14 |
| Mitsui Mining & Smelting Co., Ltd. | 1510 |
12 |
| Mitsubishi Chemical Corporation | 4606 |
11 |
| Merck Patent GmbH | 5759 |
10 |
| Panasonic Corporation | 19966 |
10 |
| Sharp Kabushiki Kaisha | 18624 |
10 |
| Samsung SDI Co., Ltd. | 8878 |
9 |
| National Institute for Materials Science | 1099 |
9 |
| National University Corporation Nagoya University | 839 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
8 |
| Nippon Electric Glass Co., Ltd. | 2479 |
8 |
| Other owners | 341 |