- 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 |