- 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 15/00 - 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: 684
10-year publication summary
52
|
37
|
49
|
47
|
30
|
40
|
50
|
40
|
58
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shin-Etsu Handotai Co., Ltd. | 1277 |
69 |
Sumco Corporation | 1116 |
58 |
Globalwafers Co., Ltd. | 561 |
43 |
Corner Star Limited | 95 |
27 |
Siltronic AG | 395 |
17 |
TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 57 |
13 |
Sumco TECHXIV Corporation | 109 |
12 |
LONGi Green Energy Technology Co., Ltd. | 180 |
12 |
Xi'an Eswin Material Technology Co., Ltd. | 45 |
12 |
LG Siltron Inc. | 116 |
11 |
Leading Edge Equipment Technologies, Inc. | 23 |
11 |
Corning Incorporated | 9932 |
9 |
Evergreen Solar, Inc. | 31 |
8 |
Umicore | 542 |
8 |
SK Siltron Co., Ltd. | 146 |
8 |
Meishan Boya Advanced Materials Co., Ltd. | 58 |
8 |
Luxium Solutions, LLC | 90 |
8 |
Siltron Inc. | 45 |
7 |
Tokuyama Corporation | 1248 |
7 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
6 |
Other owners | 330 |