- All sections
- C - Chemistry; metallurgy
- C30B - Single-crystal growth; unidirectional solidification of eutectic material or unidirectional demixing of eutectoid material; refining by zone-melting of material; production of a homogeneous polycrystalline material with defined structure; single crystals or homogeneous polycrystalline material with defined structure; after-treatment of single crystals or a homogeneous polycrystalline material with defined structure; apparatus therefor
- C30B 28/04 - Production of homogeneous polycrystalline material with defined structure from liquids
Patent holdings for IPC class C30B 28/04
Total number of patents in this class: 42
10-year publication summary
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3
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4
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3
|
3
|
2
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2
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4
|
2
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3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4589 |
7 |
| Seoul Semiconductor Co., Ltd. | 1073 |
3 |
| Cubicpv Inc. | 118 |
3 |
| Corning Incorporated | 9932 |
2 |
| Dowa Metaltech Co., Ltd. | 150 |
2 |
| Matrix Sensors, Inc. | 20 |
2 |
| The University of Queensland | 666 |
2 |
| Suzhou Shinhao Materials LLC | 14 |
2 |
| FUJIFILM Corporation | 27102 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Agency for Science, Technology and Research | 3512 |
1 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 118 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 674 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 622 |
1 |
| IMRA Europe SAS | 26 |
1 |
| International Superconductivity Technology Center, The Juridical Foundation | 45 |
1 |
| Samsung Research America, Inc. | 34 |
1 |
| Sixpoint Materials, Inc. | 58 |
1 |
| Other owners | 7 |