- 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 15/14 - Heating of the melt or the crystallised materials
Patent holdings for IPC class C30B 15/14
Total number of patents in this class: 411
10-year publication summary
|
24
|
25
|
22
|
21
|
35
|
31
|
60
|
40
|
50
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Globalwafers Co., Ltd. | 652 |
57 |
| Shin-Etsu Handotai Co., Ltd. | 1296 |
30 |
| Sumco Corporation | 1116 |
26 |
| Siltronic AG | 423 |
23 |
| Meishan Boya Advanced Materials Co., Ltd. | 87 |
22 |
| Hanwha Solutions Corporation | 902 |
17 |
| SK Siltron Co., Ltd. | 165 |
14 |
| Xi'an Eswin Material Technology Co., Ltd. | 80 |
14 |
| Siemens Medical Solutions USA, Inc. | 1503 |
10 |
| Hanwha Corporation | 300 |
10 |
| LONGi Green Energy Technology Co., Ltd. | 327 |
9 |
| Sumco TECHXIV Corporation | 99 |
6 |
| Xi'an ESWIN Silicon Wafer Technology Co., Ltd. | 24 |
6 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 142 |
6 |
| Toyota Motor Corporation | 33246 |
5 |
| Forschungsverbund Berlin e.V. | 194 |
5 |
| Jinko Solar Co., Ltd. | 243 |
5 |
| LG Siltron Inc. | 116 |
5 |
| Zing Semiconductor Corporation | 60 |
5 |
| Corner Star Limited | 95 |
5 |
| Other owners | 131 |