- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 11/86 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing oxygen and halogen, e.g. oxyhalides
Patent holdings for IPC class C09K 11/86
Total number of patents in this class: 38
10-year publication summary
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2
|
3
|
1
|
0
|
2
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2
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0
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1
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1
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 13133 |
3 |
| Korea Research Institute of Chemical Technology | 1266 |
3 |
| Dalian Luminglight Co., Ltd. | 10 |
2 |
| Philips Intellectual Property & Standards GmbH | 2395 |
2 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 417 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Philips Lumileds Lighting Company LLC | 176 |
1 |
| Sumitomo Chemical Company, Limited | 8808 |
1 |
| Idemitsu Kosan Co., Ltd. | 3995 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| DAe Joo Electronic Materials Co., Ltd. | 56 |
1 |
| Denka Company Limited | 2189 |
1 |
| G.I.P.C. Holdings Ltd. | 1 |
1 |
| Grirem Advanced Materials Co., Ltd. | 114 |
1 |
| Hitachi Plasma Patent Licensing Co., Ltd. | 12 |
1 |
| Leuchtstoffwerk Breitungen GmbH | 23 |
1 |
| Lumileds Lighting U.S., LLC | 6 |
1 |
| National Institute for Materials Science | 1108 |
1 |
| National University Corporation Tottori University | 193 |
1 |
| Other owners | 11 |