- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 2866
10-year publication summary
|
155
|
144
|
181
|
209
|
209
|
207
|
183
|
157
|
143
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3394 |
127 |
| Samsung Electronics Co., Ltd. | 131630 |
96 |
| National Institute for Materials Science | 1108 |
85 |
| Denka Company Limited | 2189 |
76 |
| Konica Minolta Medical & Graphic, Inc. | 986 |
69 |
| OSRAM Opto Semiconductors GmbH | 3390 |
68 |
| Sumitomo Chemical Company, Limited | 8808 |
54 |
| Mitsubishi Chemical Corporation | 4313 |
54 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
53 |
| Samsung Display Co., Ltd. | 30585 |
51 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
51 |
| FUJIFILM Corporation | 27102 |
47 |
| Sharp Kabushiki Kaisha | 18957 |
44 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
43 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
41 |
| OSRAM OLED GmbH | 1841 |
40 |
| Shoei Chemical Inc. | 320 |
38 |
| Lumileds LLC | 1827 |
35 |
| Nippon Electric Glass Co., Ltd. | 2299 |
35 |
| Toshiba Materials Co., Ltd. | 600 |
35 |
| Other owners | 1724 |