- 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 29/06 - Silicon
Patent holdings for IPC class C30B 29/06
Total number of patents in this class: 2619
10-year publication summary
|
175
|
193
|
197
|
163
|
183
|
147
|
193
|
218
|
215
|
94
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1126 |
374 |
| Shin-Etsu Handotai Co., Ltd. | 1287 |
251 |
| Globalwafers Co., Ltd. | 634 |
189 |
| Siltronic AG | 420 |
125 |
| Xi'an Eswin Material Technology Co., Ltd. | 79 |
56 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10837 |
47 |
| SK Siltron Co., Ltd. | 162 |
46 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
41 |
| LONGi Green Energy Technology Co., Ltd. | 274 |
41 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 141 |
39 |
| Corner Star Limited | 95 |
37 |
| Applied Materials, Inc. | 18406 |
36 |
| Shin-Etsu Quartz Products Co., Ltd. | 149 |
34 |
| Sumco TECHXIV Corporation | 103 |
34 |
| Hanwha Solutions Corporation | 799 |
31 |
| Globalwafers Japan Co., Ltd. | 68 |
30 |
| LG Siltron Inc. | 116 |
30 |
| QROMIS, Inc. | 92 |
26 |
| Hanwha Corporation | 297 |
23 |
| ASM IP Holding B.V. | 2029 |
20 |
| Other owners | 1109 |