- 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 30/04 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using magnetic fields
Patent holdings for IPC class C30B 30/04
Total number of patents in this class: 178
10-year publication summary
|
9
|
8
|
11
|
10
|
18
|
15
|
19
|
11
|
19
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1122 |
30 |
| Globalwafers Co., Ltd. | 633 |
21 |
| Shin-Etsu Handotai Co., Ltd. | 1287 |
17 |
| Siltronic AG | 424 |
16 |
| Sumco TECHXIV Corporation | 103 |
4 |
| Zing Semiconductor Corporation | 60 |
4 |
| SK Siltron Co., Ltd. | 162 |
4 |
| Forschungsverbund Berlin e.V. | 192 |
3 |
| Siltron Inc. | 37 |
3 |
| Woongjin Energy Co., Ltd. | 19 |
3 |
| Xi'an Eswin Material Technology Co., Ltd. | 79 |
3 |
| Amgen Inc. | 4071 |
2 |
| Applied Materials, Inc. | 18475 |
2 |
| Infineon Technologies AG | 8210 |
2 |
| NGK Insulators, Ltd. | 4943 |
2 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 125 |
2 |
| Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences | 305 |
2 |
| University of Yamanashi | 268 |
2 |
| DAEVAC International Co., Ltd. | 3 |
2 |
| Canon Kabushiki Kaisha | 7053 |
2 |
| Other owners | 52 |