- 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 15/14 - Heating of the melt or the crystallised materials
Patent holdings for IPC class C30B 15/14
Total number of patents in this class: 429
10-year publication summary
|
25
|
22
|
21
|
35
|
31
|
60
|
40
|
50
|
33
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Globalwafers Co., Ltd. | 732 |
61 |
| Shin-Etsu Handotai Co., Ltd. | 1307 |
30 |
| Sumco Corporation | 1107 |
28 |
| Siltronic AG | 437 |
25 |
| Meishan Boya Advanced Materials Co., Ltd. | 92 |
21 |
| Hanwha Solutions Corporation | 1202 |
17 |
| SK Siltron Co., Ltd. | 176 |
15 |
| Xi'an Eswin Material Technology Co., Ltd. | 102 |
14 |
| Siemens Medical Solutions USA, Inc. | 1469 |
12 |
| Hanwha Corporation | 312 |
11 |
| LONGi Green Energy Technology Co., Ltd. | 443 |
10 |
| Zing Semiconductor Corporation | 72 |
7 |
| Sumco TECHXIV Corporation | 92 |
6 |
| Xi'an ESWIN Silicon Wafer Technology Co., Ltd. | 25 |
6 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 145 |
6 |
| Toyota Motor Corporation | 36092 |
5 |
| Jinko Solar Co., Ltd. | 279 |
5 |
| LG Siltron Inc. | 116 |
5 |
| Corner Star Limited | 94 |
5 |
| Woongjin Energy Co., Ltd. | 19 |
5 |
| Other owners | 135 |