- 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 28/12 - Production of homogeneous polycrystalline material with defined structure directly from the gas state
Patent holdings for IPC class C30B 28/12
Total number of patents in this class: 64
10-year publication summary
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2
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0
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0
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0
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1
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2
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0
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0
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3
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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
|
|---|---|---|
| Sixpoint Materials, Inc. | 58 |
3 |
| Sumco Corporation | 1116 |
3 |
| Kyocera Corporation | 12735 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Japan Science and Technology Agency | 1564 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Merck Patent GmbH | 5909 |
1 |
| Panasonic Electric Works Co., Ltd. | 782 |
1 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Tokyo Electron Limited | 11599 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| Au Optronics Corporation | 3880 |
1 |
| International Rectifier Corporation | 156 |
1 |
| Hemlock Semiconductor Corporation | 33 |
1 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 118 |
1 |
| ASM IP Holding B.V. | 1715 |
1 |
| Carnegie Institution of Washington | 74 |
1 |
| Other owners | 37 |