- 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 15/26 - Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal using photo or X-ray detectors
Patent holdings for IPC class C30B 15/26
Total number of patents in this class: 85
10-year publication summary
3
|
8
|
5
|
2
|
3
|
5
|
4
|
6
|
11
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumco Corporation | 1116 |
18 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
17 |
Siltronic AG | 395 |
6 |
LONGi Green Energy Technology Co., Ltd. | 180 |
4 |
Globalwafers Co., Ltd. | 561 |
3 |
Korea Institute of Industrial Technology | 994 |
3 |
Sumco TECHXIV Corporation | 109 |
3 |
Hanwha Solutions Corporation | 572 |
3 |
BP Corporation North America Inc. | 776 |
2 |
Hanwha Corporation | 258 |
2 |
LG Siltron Inc. | 116 |
2 |
SK Siltron Co., Ltd. | 146 |
2 |
Leading Edge Equipment Technologies, Inc. | 23 |
2 |
Raytheon Company | 8535 |
1 |
Siemens Medical Solutions USA, Inc. | 1584 |
1 |
President and Fellows of Harvard College | 5792 |
1 |
AMG Idealcast Solar Corporation | 5 |
1 |
BRANDEIS University | 326 |
1 |
Evergreen Solar, Inc. | 31 |
1 |
MEMC Electronic Materials, Inc. | 91 |
1 |
Other owners | 11 |