- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/107 - Halogenated silanes
Patent holdings for IPC class C01B 33/107
Total number of patents in this class: 525
10-year publication summary
|
20
|
32
|
27
|
33
|
17
|
23
|
15
|
14
|
22
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2103 |
60 |
| Tokuyama Corporation | 1453 |
38 |
| Evonik Degussa GmbH | 1426 |
37 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 607 |
21 |
| Mitsubishi Materials Corporation | 2467 |
17 |
| High-purity Silicon Corporation | 73 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 5887 |
15 |
| Dow Corning Corporation | 924 |
15 |
| LG Chem, Ltd. | 17778 |
14 |
| Dow Silicones Corporation | 2025 |
12 |
| Evonik Operations GmbH | 4230 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4048 |
9 |
| Spawnt Private S.a.r.l. | 29 |
9 |
| Entegris, Inc. | 1956 |
8 |
| MEMC Electronic Materials, Inc. | 74 |
8 |
| Toagosei Co., Ltd. | 985 |
7 |
| REC Silicon Inc | 76 |
6 |
| Corner Star Limited | 95 |
6 |
| Momentive Performance Materials Inc. | 884 |
5 |
| Norsk Hydro ASA | 250 |
5 |
| Other owners | 206 |