- 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 21/04 - Unidirectional solidification of eutectic materials by zone-melting
Patent holdings for IPC class C30B 21/04
Total number of patents in this class: 38
10-year publication summary
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1
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1
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0
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1
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0
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0
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2
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0
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0
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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
|
|---|---|---|
| Sumco TECHXIV Corporation | 109 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
| Wisconsin Alumni Research Foundation | 3774 |
2 |
| Cree, Inc. | 1157 |
2 |
| The Trustees of Columbia University in the City of New York | 3440 |
2 |
| Alliance for Sustainable Energy, LLC | 698 |
2 |
| SLT Technologies, Inc. | 115 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Micron Technology, Inc. | 24960 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Industrial Technology Research Institute | 4898 |
1 |
| Advanced Micro Devices, Inc. | 5326 |
1 |
| CTG Advanced Materials, LLC | 2 |
1 |
| El Inc. | 1 |
1 |
| Element Six Technologies Limited | 179 |
1 |
| Inductotherm Corp. | 152 |
1 |
| Regents of the University of Minnesota | 2620 |
1 |
| SCHOTT AG | 1675 |
1 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
1 |
| Sumco Corporation | 1116 |
1 |
| Other owners | 10 |