- 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 25/22 - Sandwich processes
Patent holdings for IPC class C30B 25/22
Total number of patents in this class: 32
10-year publication summary
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1
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4
|
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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6
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2
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20406 |
5 |
| Advanced Diamond Holdings, LLC | 22 |
5 |
| IQE plc. | 127 |
2 |
| Korea Electrotechnology Research Institute | 511 |
2 |
| The Regents of the University of California | 20778 |
1 |
| Electronics and Telecommunications Research Institute | 9678 |
1 |
| Raytheon Company | 8448 |
1 |
| The Regents of the University of Michigan | 4997 |
1 |
| Nippon Telegraph and Telephone Corporation | 15923 |
1 |
| Korea Institute of Ceramic Engineering and Technology | 144 |
1 |
| Peking University | 1461 |
1 |
| The Penn State Research Foundation | 1611 |
1 |
| SKC Co., Ltd. | 326 |
1 |
| Tivra Corporation | 3 |
1 |
| The University of Manchester | 453 |
1 |
| University of South Carolina | 850 |
1 |
| Xiamen Sanan Optoelectronics Technology Co., Ltd. | 187 |
1 |
| Yale University | 2543 |
1 |
| Monolum Ltd | 2 |
1 |
| Soft-impact Ltd | 2 |
1 |
| Other owners | 2 |