- 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 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: 354
10-year publication summary
20
|
24
|
25
|
22
|
21
|
35
|
31
|
60
|
40
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Globalwafers Co., Ltd. | 561 |
43 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
31 |
Sumco Corporation | 1116 |
23 |
Siltronic AG | 395 |
21 |
Meishan Boya Advanced Materials Co., Ltd. | 58 |
18 |
SK Siltron Co., Ltd. | 146 |
13 |
Hanwha Solutions Corporation | 572 |
13 |
Hanwha Corporation | 258 |
10 |
Xi'an Eswin Material Technology Co., Ltd. | 45 |
9 |
Leading Edge Equipment Technologies, Inc. | 23 |
8 |
Sumco TECHXIV Corporation | 109 |
6 |
Toyota Motor Corporation | 28582 |
5 |
Forschungsverbund Berlin e.V. | 194 |
5 |
LG Siltron Inc. | 116 |
5 |
Zing Semiconductor Corporation | 50 |
5 |
Corner Star Limited | 95 |
5 |
LONGi Green Energy Technology Co., Ltd. | 180 |
5 |
Woongjin Energy Co., Ltd. | 19 |
5 |
Xi'an ESWIN Silicon Wafer Technology Co., Ltd. | 13 |
5 |
GTAT Corporation | 114 |
4 |
Other owners | 115 |