- 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 27/02 - Single-crystal growth under a protective fluid by pulling from a melt
Patent holdings for IPC class C30B 27/02
Total number of patents in this class: 66
10-year publication summary
|
2
|
2
|
1
|
0
|
2
|
1
|
1
|
2
|
9
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1115 |
9 |
| JX Nippon Mining & Metals Corporation | 1488 |
5 |
| Sumco TECHXIV Corporation | 100 |
4 |
| Xi'an Eswin Material Technology Co., Ltd. | 79 |
4 |
| Siltron Inc. | 36 |
3 |
| LONGi Green Energy Technology Co., Ltd. | 300 |
3 |
| Caracal, Inc. | 5 |
3 |
| NGK Insulators, Ltd. | 4968 |
2 |
| Toyoda Gosei Co., Ltd. | 1784 |
2 |
| DRS Network & Imaging Systems, LLC | 145 |
2 |
| Corner Star Limited | 95 |
2 |
| Linton Crystal Technologies Corporation | 7 |
2 |
| Applied Materials, Inc. | 18746 |
1 |
| Raytheon Company | 8387 |
1 |
| Siemens Medical Solutions USA, Inc. | 1517 |
1 |
| Mitsubishi Chemical Corporation | 4525 |
1 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 126 |
1 |
| Calisolar, Inc. | 15 |
1 |
| Freiberger Compound Materials GmbH | 58 |
1 |
| Globalwafers Co., Ltd. | 643 |
1 |
| Other owners | 17 |