- 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 11/04 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method adding crystallising materials or reactants forming it in situ to the melt
Patent holdings for IPC class C30B 11/04
Total number of patents in this class: 47
10-year publication summary
|
2
|
3
|
3
|
5
|
4
|
2
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0
|
2
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2
|
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
|
|---|---|---|
| Luxium Solutions, LLC | 90 |
8 |
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Toyoda Gosei Co., Ltd. | 1746 |
2 |
| Globalwafers Co., Ltd. | 561 |
2 |
| Osaka University | 3143 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
1 |
| Nippon Telegraph and Telephone Corporation | 14195 |
1 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 118 |
1 |
| Apollon Solar | 15 |
1 |
| Centrotherm SiTec GmbH | 16 |
1 |
| Dowa Electronics Materials Co., Ltd. | 610 |
1 |
| Fairfield Crystal Technology, LLC | 4 |
1 |
| Fluorogenics Limited | 4 |
1 |
| JFE Mineral Company, Ltd. | 67 |
1 |
| MEMC Electronic Materials SpA | 20 |
1 |
| Nantong University | 245 |
1 |
| Nihon Kessho Kogaku Co., Ltd. | 13 |
1 |
| Other owners | 14 |