- 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 27/02 - Single-crystal growth under a protective fluid by pulling from a melt
Patent holdings for IPC class C30B 27/02
Total number of patents in this class: 60
10-year publication summary
0
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2
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2
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1
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0
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2
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1
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3
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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 Corporation | 1116 |
10 |
JX Nippon Mining & Metals Corporation | 1576 |
5 |
Sumco TECHXIV Corporation | 109 |
4 |
Siltron Inc. | 45 |
3 |
Caracal, Inc. | 6 |
3 |
Xi'an Eswin Material Technology Co., Ltd. | 45 |
3 |
NGK Insulators, Ltd. | 4589 |
2 |
Toyoda Gosei Co., Ltd. | 1746 |
2 |
Nippon Mining & Metals Co., Ltd. | 161 |
2 |
Corner Star Limited | 95 |
2 |
LONGi Green Energy Technology Co., Ltd. | 180 |
2 |
Linton Crystal Technologies Corporation | 7 |
2 |
Applied Materials, Inc. | 16587 |
1 |
Raytheon Company | 8535 |
1 |
Mitsubishi Chemical Corporation | 4313 |
1 |
Calisolar, Inc. | 15 |
1 |
DRS Network & Imaging Systems, LLC | 147 |
1 |
Freiberger Compound Materials GmbH | 61 |
1 |
Globalwafers Japan Co., Ltd. | 62 |
1 |
Osaka University | 3143 |
1 |
Other owners | 12 |