- 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 15/02 - Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
Patent holdings for IPC class C30B 15/02
Total number of patents in this class: 207
10-year publication summary
11
|
12
|
15
|
16
|
8
|
11
|
16
|
21
|
21
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Globalwafers Co., Ltd. | 633 |
21 |
Corner Star Limited | 95 |
17 |
Meishan Boya Advanced Materials Co., Ltd. | 81 |
15 |
Sumco Corporation | 1126 |
13 |
Shin-Etsu Handotai Co., Ltd. | 1286 |
11 |
Siltronic AG | 424 |
11 |
The 13th Research Institute of China Electronics Technology Group Corporation | 125 |
9 |
SK Siltron Co., Ltd. | 162 |
9 |
Hanwha Solutions Corporation | 802 |
9 |
TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 141 |
7 |
Sumco TECHXIV Corporation | 103 |
5 |
Shin-Etsu Chemical Co., Ltd. | 5602 |
4 |
MEMC Electronic Materials SpA | 19 |
4 |
SunEdison, Inc. | 35 |
4 |
LONGi Green Energy Technology Co., Ltd. | 274 |
4 |
Infineon Technologies AG | 8201 |
3 |
Siemens Medical Solutions USA, Inc. | 1508 |
3 |
Tokuyama Corporation | 1374 |
3 |
DAEVAC International Co., Ltd. | 3 |
3 |
Toyota Motor Corporation | 31565 |
2 |
Other owners | 50 |