- 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: 29
10-year publication summary
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3
|
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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6
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advanced Diamond Holdings, LLC | 14 |
5 |
| Applied Materials, Inc. | 18621 |
3 |
| IQE plc. | 114 |
2 |
| The Regents of the University of California | 19918 |
1 |
| Electronics and Telecommunications Research Institute | 9381 |
1 |
| Raytheon Company | 8389 |
1 |
| The Regents of the University of Michigan | 4698 |
1 |
| Nippon Telegraph and Telephone Corporation | 17341 |
1 |
| Korea Electrotechnology Research Institute | 471 |
1 |
| Korea Institute of Ceramic Engineering and Technology | 137 |
1 |
| Peking University | 1308 |
1 |
| The Penn State Research Foundation | 1518 |
1 |
| SKC Co., Ltd. | 323 |
1 |
| Tivra Corporation | 3 |
1 |
| The University of Manchester | 451 |
1 |
| University of South Carolina | 823 |
1 |
| Xiamen Sanan Optoelectronics Technology Co., Ltd. | 188 |
1 |
| Yale University | 2378 |
1 |
| Monolum Ltd | 2 |
1 |
| Soft-impact Ltd | 2 |
1 |
| Other owners | 2 |