- 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 21/06 - Unidirectional solidification of eutectic materials by pulling from a melt
Patent holdings for IPC class C30B 21/06
Total number of patents in this class: 42
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1120 |
10 |
| Sumco TECHXIV Corporation | 103 |
5 |
| Siltron Inc. | 37 |
3 |
| Oxide Corporation | 20 |
2 |
| SAFRAN S.A. | 612 |
1 |
| International Business Machines Corporation | 61185 |
1 |
| Centre National de La Recherche Scientifique | 10408 |
1 |
| NGK Insulators, Ltd. | 4944 |
1 |
| Toyoda Gosei Co., Ltd. | 1772 |
1 |
| Freiberger Compound Materials GmbH | 58 |
1 |
| Globalwafers Japan Co., Ltd. | 68 |
1 |
| II-VI Incorporated | 42 |
1 |
| Rensselaer Polytechnic Institute | 821 |
1 |
| Safran Aircraft Engines | 6265 |
1 |
| Shasta Crystals Inc. | 4 |
1 |
| Shin-Etsu Handotai Co., Ltd. | 1286 |
1 |
| Siltronic AG | 423 |
1 |
| Sixpoint Materials, Inc. | 60 |
1 |
| Sumco Phoenix Corporation | 7 |
1 |
| Sumco TECHXIV Kabushiki Kaisha | 5 |
1 |
| Other owners | 6 |