- 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 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: 703
10-year publication summary
|
70
|
60
|
44
|
29
|
39
|
44
|
34
|
37
|
27
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
25 |
| Sumitomo Electric Industries, Ltd. | 14131 |
24 |
| GTAT Corporation | 114 |
20 |
| Rtx Corporation | 8674 |
17 |
| General Electric Company | 18133 |
13 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 118 |
13 |
| Sumco Corporation | 1116 |
12 |
| Forschungsverbund Berlin e.V. | 194 |
11 |
| MEMC Singapore Pte. Ltd. | 27 |
11 |
| The Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences | 29 |
10 |
| Freiberger Compound Materials GmbH | 61 |
9 |
| Corner Star Limited | 95 |
9 |
| FAMETEC GmbH | 13 |
9 |
| AXT, Inc. | 22 |
8 |
| BP Corporation North America Inc. | 776 |
8 |
| Safran Aircraft Engines | 5739 |
7 |
| Silicor Materials Inc. | 21 |
7 |
| Hangzhou Fujia Gallium Technology Co. Ltd. | 20 |
7 |
| Corning Incorporated | 9932 |
6 |
| SCHOTT AG | 1675 |
6 |
| Other owners | 471 |