- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/027 - Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
Patent holdings for IPC class C01B 33/027
Total number of patents in this class: 201
10-year publication summary
|
15
|
13
|
8
|
12
|
6
|
12
|
12
|
9
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2103 |
24 |
| Nexeon Limited | 171 |
13 |
| Corner Star Limited | 95 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10975 |
6 |
| Dynatec Engineering AS | 9 |
6 |
| REC Silicon Inc | 76 |
6 |
| Dow Silicones Corporation | 2032 |
6 |
| Umicore | 718 |
5 |
| Hanwha Solutions Corporation | 1018 |
5 |
| Enwires | 18 |
5 |
| Schmid Silicon Technology GmbH | 28 |
4 |
| SunEdison, Inc. | 35 |
4 |
| Hemlock Semiconductor Corporation | 33 |
3 |
| Group14 Technologies, Inc. | 116 |
3 |
| Innovalight, Inc. | 44 |
3 |
| Institutt for Energiteknikk | 69 |
3 |
| Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. | 10 |
3 |
| OCI Company Ltd. | 160 |
3 |
| Cenate AS | 13 |
3 |
| LG Chem, Ltd. | 17805 |
2 |
| Other owners | 81 |