- 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 11/00 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method
Patent holdings for IPC class C30B 11/00
Total number of patents in this class: 710
10-year publication summary
|
60
|
43
|
28
|
39
|
44
|
34
|
37
|
25
|
29
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15609 |
28 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
25 |
| GTAT Corporation | 112 |
20 |
| Rtx Corporation | 9445 |
17 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 128 |
14 |
| Forschungsverbund Berlin e.V. | 194 |
12 |
| Sumco Corporation | 1115 |
12 |
| General Electric Company | 13859 |
11 |
| AXT, Inc. | 25 |
11 |
| MEMC Singapore Pte. Ltd. | 27 |
11 |
| Freiberger Compound Materials GmbH | 57 |
10 |
| The Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences | 31 |
10 |
| Corner Star Limited | 95 |
9 |
| FAMETEC GmbH | 13 |
9 |
| BP Corporation North America Inc. | 747 |
8 |
| Safran Aircraft Engines | 6306 |
7 |
| Silicor Materials Inc. | 21 |
7 |
| Hangzhou Fujia Gallium Technology Co. Ltd. | 20 |
7 |
| Corning Incorporated | 10314 |
6 |
| SCHOTT AG | 1711 |
6 |
| Other owners | 470 |