- 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 28/14 - Production of homogeneous polycrystalline material with defined structure directly from the gas state by chemical reaction of reactive gases
Patent holdings for IPC class C30B 28/14
Total number of patents in this class: 74
10-year publication summary
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4
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2
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5
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3
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2
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2
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4
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3
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1
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Sixpoint Materials, Inc. | 58 |
3 |
| Wacker Chemie AG | 2091 |
3 |
| Sumitomo Electric Hardmetal Corp. | 969 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| Japan Science and Technology Agency | 1564 |
2 |
| Korea Research Institute of Chemical Technology | 1266 |
2 |
| MEMC Electronic Materials, Inc. | 91 |
2 |
| Okmetic Oyj | 15 |
2 |
| REC Silicon Inc | 77 |
2 |
| SGL Carbon SE | 388 |
2 |
| Soitec | 892 |
2 |
| Sumco Corporation | 1116 |
2 |
| Tokai Carbon Co., Ltd. | 99 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Tokyo Electron Limited | 11599 |
1 |
| Other owners | 36 |