- 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 13/30 - Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal
Patent holdings for IPC class C30B 13/30
Total number of patents in this class: 32
10-year publication summary
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2
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4
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3
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4
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5
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5
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1
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2
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1
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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
|
|---|---|---|
| Siltronic AG | 395 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| General Electric Company | 18133 |
2 |
| National Taiwan University | 1140 |
2 |
| Northwestern University | 3112 |
2 |
| Tamura Corporation | 350 |
2 |
| Nippon Telegraph and Telephone Corporation | 14195 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
| Energy, United States Department of | 25 |
1 |
| LPE S.p.A. | 65 |
1 |
| PV Silicon Forschungs- und Produktions AG. | 1 |
1 |
| The Regents of the University of Colorado, a body corporate | 2430 |
1 |
| Riken | 1669 |
1 |
| ZHEJIANG JINGSHENG M & e CO., LTD | 16 |
1 |
| Aurea Works Corporation | 1 |
1 |
| Beijing Tian Neng Yun Tong Crystal Technique Co., Ltd. | 1 |
1 |
| Jingyuntong Technology Co., Ltd. | 1 |
1 |
| watanabe product Co., Ltd. | 1 |
1 |
| Other owners | 0 |