- 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: 2761
10-year publication summary
|
193
|
197
|
163
|
183
|
147
|
194
|
218
|
217
|
164
|
126
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1107 |
384 |
| Shin-Etsu Handotai Co., Ltd. | 1308 |
259 |
| Globalwafers Co., Ltd. | 734 |
218 |
| Siltronic AG | 440 |
141 |
| Xi'an Eswin Material Technology Co., Ltd. | 103 |
60 |
| LONGi Green Energy Technology Co., Ltd. | 454 |
51 |
| SK Siltron Co., Ltd. | 177 |
49 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
48 |
| Applied Materials, Inc. | 20654 |
45 |
| Shin-Etsu Chemical Co., Ltd. | 6173 |
40 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 145 |
39 |
| Corner Star Limited | 94 |
37 |
| Hanwha Solutions Corporation | 1236 |
36 |
| Shin-Etsu Quartz Products Co., Ltd. | 143 |
34 |
| Globalwafers Japan Co., Ltd. | 72 |
33 |
| Sumco TECHXIV Corporation | 86 |
31 |
| LG Siltron Inc. | 116 |
30 |
| QROMIS, Inc. | 96 |
26 |
| Hanwha Corporation | 314 |
25 |
| Tokuyama Corporation | 1508 |
24 |
| Other owners | 1151 |