- 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: 2833
10-year publication summary
|
141
|
179
|
206
|
209
|
206
|
187
|
161
|
149
|
107
|
65
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3777 |
123 |
| Samsung Electronics Co., Ltd. | 149087 |
92 |
| Samsung Display Co., Ltd. | 36265 |
80 |
| Denka Company Limited | 2655 |
76 |
| National Institute for Materials Science | 1099 |
74 |
| OSRAM Opto Semiconductors GmbH | 3287 |
69 |
| Sumitomo Chemical Company, Limited | 9109 |
56 |
| Konica Minolta Medical & Graphic, Inc. | 719 |
55 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
52 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
50 |
| Mitsubishi Chemical Corporation | 4606 |
50 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 619 |
50 |
| FUJIFILM Corporation | 29817 |
48 |
| Sharp Kabushiki Kaisha | 18624 |
44 |
| OSRAM OLED GmbH | 1765 |
40 |
| Shoei Chemical Inc. | 328 |
38 |
| Nippon Electric Glass Co., Ltd. | 2479 |
36 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6234 |
33 |
| Lumileds Singapore Pte. Ltd. | 1264 |
33 |
| Toshiba Materials Co., Ltd. | 647 |
32 |
| Other owners | 1702 |