- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/04 - Hydrides of silicon
Patent holdings for IPC class C01B 33/04
Total number of patents in this class: 210
10-year publication summary
|
19
|
7
|
9
|
18
|
4
|
5
|
5
|
2
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4148 |
24 |
| Evonik Degussa GmbH | 1343 |
19 |
| Corner Star Limited | 94 |
14 |
| Evonik Operations GmbH | 4443 |
8 |
| Showa Denko K.K. | 2050 |
7 |
| American Air Liquide, Inc. | 269 |
7 |
| Nippon Shokubai Co., Ltd. | 1528 |
7 |
| Schmid Silicon Technology GmbH | 28 |
7 |
| MEMC Electronic Materials, Inc. | 71 |
5 |
| Wacker Chemie AG | 2124 |
5 |
| Mitsui Chemicals, Inc. | 3288 |
4 |
| Thin Film Electronics ASA | 47 |
4 |
| KCC Corporation | 351 |
4 |
| Ensurge Micropower ASA | 60 |
4 |
| JX Nippon Oil & Energy Corporation | 978 |
3 |
| REC Silicon Inc | 76 |
3 |
| Spawnt Private S.a.r.l. | 29 |
3 |
| Nata Semiconductor Materials Co., Ltd. | 23 |
3 |
| BYK-Chemie GmbH | 449 |
2 |
| Institute of Ion-plasma and Laser Technologies | 4 |
2 |
| Other owners | 75 |