- 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: 724
10-year publication summary
|
37
|
49
|
47
|
30
|
40
|
48
|
43
|
60
|
55
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Handotai Co., Ltd. | 1283 |
70 |
| Sumco Corporation | 1113 |
57 |
| Globalwafers Co., Ltd. | 646 |
55 |
| Corner Star Limited | 95 |
27 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 142 |
26 |
| Xi'an Eswin Material Technology Co., Ltd. | 79 |
20 |
| Siltronic AG | 424 |
19 |
| LONGi Green Energy Technology Co., Ltd. | 303 |
17 |
| Sumco TECHXIV Corporation | 100 |
12 |
| LG Siltron Inc. | 116 |
11 |
| SK Siltron Co., Ltd. | 164 |
10 |
| Corning Incorporated | 10294 |
9 |
| Siemens Medical Solutions USA, Inc. | 1518 |
8 |
| Evergreen Solar, Inc. | 30 |
8 |
| Tokuyama Corporation | 1403 |
8 |
| Umicore | 654 |
8 |
| Meishan Boya Advanced Materials Co., Ltd. | 86 |
8 |
| Luxium Solutions, LLC | 88 |
8 |
| Siltron Inc. | 36 |
7 |
| Xi'an ESWIN Silicon Wafer Technology Co., Ltd. | 24 |
7 |
| Other owners | 329 |