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  • 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: 744

10-year publication summary

49
47
30
40
50
43
60
56
36
18
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.
1307
70
Globalwafers Co., Ltd.
730
58
Sumco Corporation
1111
54
Corner Star Limited
94
27
TCL Zhonghuan Renewable Energy Technology Co., Ltd.
145
26
Xi'an Eswin Material Technology Co., Ltd.
102
21
Siltronic AG
434
20
LONGi Green Energy Technology Co., Ltd.
438
18
Sumco TECHXIV Corporation
93
12
LG Siltron Inc.
116
11
SK Siltron Co., Ltd.
172
11
Siemens Medical Solutions USA, Inc.
1463
10
Corning Incorporated
10504
9
Meishan Boya Advanced Materials Co., Ltd.
92
9
Luxium Solutions, LLC
119
9
Evergreen Solar, Inc.
29
8
Tokuyama Corporation
1477
8
Umicore
775
8
Hanwha Solutions Corporation
1174
8
Siltron Inc.
32
7
Other owners 340

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