- All sections
- C - Chemistry; metallurgy
- C30B - Single-crystal growth; unidirectional solidification of eutectic material or unidirectional demixing of eutectoid material; refining by zone-melting of material; production of a homogeneous polycrystalline material with defined structure; single crystals or homogeneous polycrystalline material with defined structure; after-treatment of single crystals or a homogeneous polycrystalline material with defined structure; apparatus therefor
- C30B 29/06 - Silicon
Patent holdings for IPC class C30B 29/06
Total number of patents in this class: 2403
10-year publication summary
173
|
175
|
193
|
197
|
163
|
183
|
147
|
191
|
214
|
76
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumco Corporation | 1116 |
355 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
246 |
Globalwafers Co., Ltd. | 561 |
158 |
Siltronic AG | 395 |
111 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
46 |
SK Siltron Co., Ltd. | 146 |
43 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
39 |
Corner Star Limited | 95 |
37 |
Sumco TECHXIV Corporation | 109 |
35 |
Xi'an Eswin Material Technology Co., Ltd. | 45 |
35 |
Shin-Etsu Quartz Products Co., Ltd. | 160 |
33 |
LG Siltron Inc. | 116 |
30 |
LONGi Green Energy Technology Co., Ltd. | 180 |
30 |
Applied Materials, Inc. | 16587 |
28 |
Globalwafers Japan Co., Ltd. | 62 |
28 |
Hanwha Solutions Corporation | 572 |
26 |
QROMIS, Inc. | 87 |
23 |
Hanwha Corporation | 258 |
22 |
Japan Super Quartz Corporation | 38 |
20 |
Tokuyama Corporation | 1248 |
19 |
Other owners | 1039 |