- 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 13/30 - Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fieldsControlling the section of the crystal
Patent holdings for IPC class C30B 13/30
Total number of patents in this class: 33
10-year publication summary
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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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3
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1
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1
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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 | 423 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5743 |
3 |
| General Electric Company | 13865 |
2 |
| National Taiwan University | 1258 |
2 |
| Northwestern University | 3440 |
2 |
| Tamura Corporation | 359 |
2 |
| Nippon Telegraph and Telephone Corporation | 16751 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
1 |
| Alcon, Inc. | 5498 |
1 |
| Coherent LaserSystems GmbH & Co. KG | 61 |
1 |
| Energy, United States Department of | 25 |
1 |
| LPE S.p.A. | 74 |
1 |
| The Regents of the University of Colorado, a body corporate | 2698 |
1 |
| Riken | 1691 |
1 |
| ZHEJIANG JINGSHENG M & e CO., LTD | 25 |
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 |