- 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: 180
10-year publication summary
|
18
|
16
|
13
|
8
|
12
|
9
|
13
|
15
|
8
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2106 |
23 |
| Corner Star Limited | 95 |
13 |
| Nexeon Limited | 157 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
6 |
| Dynatec Engineering AS | 9 |
6 |
| Dow Silicones Corporation | 1921 |
6 |
| REC Silicon Inc | 75 |
5 |
| Umicore | 642 |
5 |
| Enwires | 18 |
5 |
| Schmid Silicon Technology GmbH | 27 |
4 |
| SunEdison, Inc. | 35 |
4 |
| Evonik Degussa GmbH | 1531 |
3 |
| Hemlock Semiconductor Corporation | 33 |
3 |
| Innovalight, Inc. | 45 |
3 |
| Institutt for Energiteknikk | 72 |
3 |
| Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. | 10 |
3 |
| Cenate AS | 13 |
3 |
| LG Chem, Ltd. | 17632 |
2 |
| Robert Bosch GmbH | 42689 |
2 |
| Dow Corning Corporation | 965 |
2 |
| Other owners | 71 |