- 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 25/22 - Sandwich processes
Patent holdings for IPC class C30B 25/22
Total number of patents in this class: 21
10-year publication summary
3
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3
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1
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4
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1
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2
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3
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1
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2
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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
|
---|---|---|
Applied Materials, Inc. | 16587 |
2 |
IQE plc. | 106 |
2 |
Advanced Diamond Holdings, LLC | 5 |
2 |
The Regents of the University of California | 18943 |
1 |
Raytheon Company | 8535 |
1 |
The Regents of the University of Michigan | 4409 |
1 |
Nippon Telegraph and Telephone Corporation | 14195 |
1 |
The Penn State Research Foundation | 1423 |
1 |
SKC Co., Ltd. | 311 |
1 |
Tivra Corporation | 3 |
1 |
The University of Manchester | 456 |
1 |
University of South Carolina | 789 |
1 |
Xiamen Sanan Optoelectronics Technology Co., Ltd. | 188 |
1 |
Yale University | 2204 |
1 |
Monolum Ltd | 2 |
1 |
Soft-impact Ltd | 2 |
1 |
Viatron Co., Ltd. | 14 |
1 |
Genettice (Qingdao) Semiconductor Materials Co., Ltd. | 4 |
1 |
Other owners | 0 |