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  • 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 15/00 - Single-crystal growth by pulling from a melt, e.g. Czochralski method

Patent holdings for IPC class C30B 15/00

Total number of patents in this class: 738

10-year publication summary

49
47
30
40
50
43
60
56
36
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Shin-Etsu Handotai Co., Ltd.
1304
70
Globalwafers Co., Ltd.
727
58
Sumco Corporation
1109
54
Corner Star Limited
95
27
TCL Zhonghuan Renewable Energy Technology Co., Ltd.
142
26
Xi'an Eswin Material Technology Co., Ltd.
100
21
Siltronic AG
431
19
LONGi Green Energy Technology Co., Ltd.
409
18
Sumco TECHXIV Corporation
94
12
LG Siltron Inc.
116
11
SK Siltron Co., Ltd.
169
10
Corning Incorporated
10467
9
Siemens Medical Solutions USA, Inc.
1464
9
Meishan Boya Advanced Materials Co., Ltd.
93
9
Luxium Solutions, LLC
118
9
Evergreen Solar, Inc.
30
8
Tokuyama Corporation
1461
8
Umicore
740
8
Siltron Inc.
32
7
Hanwha Solutions Corporation
1064
7
Other owners 338

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