- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
Patent holdings for IPC class C09K 11/08
Total number of patents in this class: 2846
10-year publication summary
|
144
|
181
|
209
|
210
|
207
|
187
|
163
|
151
|
109
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3693 |
123 |
| Samsung Electronics Co., Ltd. | 145416 |
101 |
| National Institute for Materials Science | 1105 |
73 |
| Denka Company Limited | 2563 |
72 |
| OSRAM Opto Semiconductors GmbH | 3313 |
69 |
| Samsung Display Co., Ltd. | 34539 |
68 |
| Konica Minolta Medical & Graphic, Inc. | 791 |
62 |
| Sumitomo Chemical Company, Limited | 9040 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
52 |
| Mitsubishi Chemical Corporation | 4493 |
51 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 628 |
50 |
| Shin-Etsu Chemical Co., Ltd. | 5634 |
48 |
| FUJIFILM Corporation | 29305 |
47 |
| Sharp Kabushiki Kaisha | 18775 |
44 |
| OSRAM OLED GmbH | 1779 |
40 |
| Shoei Chemical Inc. | 321 |
37 |
| Nippon Electric Glass Co., Ltd. | 2454 |
36 |
| Lumileds LLC | 1912 |
35 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6270 |
35 |
| Toshiba Materials Co., Ltd. | 662 |
34 |
| Other owners | 1712 |