- All sections
- C - Chemistrymetallurgy
- C30B - Single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing of eutectoid materialrefining by zone-melting of materialproduction of a homogeneous polycrystalline material with defined structuresingle crystals or homogeneous polycrystalline material with defined structureafter-treatment of single crystals or a homogeneous polycrystalline material with defined structureapparatus therefor
- C30B 13/32 - Mechanisms for moving either the charge or the heater
Patent holdings for IPC class C30B 13/32
Total number of patents in this class: 21
10-year publication summary
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4
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3
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4
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2
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3
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1
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2
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1
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siltronic AG | 411 |
4 |
| General Electric Company | 17807 |
2 |
| HRL Laboratories, LLC | 1588 |
2 |
| Tamura Corporation | 353 |
2 |
| Nippon Telegraph and Telephone Corporation | 16455 |
1 |
| Alcon, Inc. | 5200 |
1 |
| Alliance for Sustainable Energy, LLC | 758 |
1 |
| Canon Machinery Inc. | 37 |
1 |
| Crystal Systems Corporation | 17 |
1 |
| Leibniz-institut fur Festkorper-und Werkstoffforschung Dresden e.V. | 64 |
1 |
| Metal Casting Technology, Inc. | 20 |
1 |
| Sumco Corporation | 1123 |
1 |
| Sumco TECHXIV Corporation | 104 |
1 |
| Univerzita Karlova V Praze | 42 |
1 |
| Topsil Simiconductor Materials A/S | 1 |
1 |
| Other owners | 0 |