- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 11/72 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus also containing halogen, e.g. halophosphates
Patent holdings for IPC class C09K 11/72
Total number of patents in this class: 44
10-year publication summary
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0
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0
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1
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4
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3
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2
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2
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2
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2
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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
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Nippon Electric Glass Co., Ltd. | 2299 |
4 |
| Toshiba Materials Co., Ltd. | 600 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| Shoei Chemical Inc. | 320 |
3 |
| Toshiba Corporation | 12017 |
2 |
| Panasonic Corporation | 20786 |
1 |
| Hamamatsu Photonics K.K. | 4161 |
1 |
| OSRAM Opto Semiconductors GmbH | 3390 |
1 |
| Board of Trustees of the University of Arkansas | 771 |
1 |
| Central Glass Company, Limited | 1244 |
1 |
| Drexel University | 951 |
1 |
| Evident Technologies | 17 |
1 |
| Force4 Corp. | 5 |
1 |
| Intematix Corporation | 223 |
1 |
| Kasei Optonix, Ltd. | 2 |
1 |
| Kureha Corporation | 1026 |
1 |
| Lextar Electronics Corporation | 367 |
1 |
| Nagasaki Prefectural Government | 7 |
1 |
| Osaka University | 3143 |
1 |
| Other owners | 7 |