- 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: 212
10-year publication summary
|
20
|
19
|
7
|
9
|
18
|
4
|
5
|
5
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
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 | 3975 |
23 |
| Evonik Degussa GmbH | 1531 |
19 |
| Corner Star Limited | 95 |
14 |
| Evonik Operations GmbH | 4105 |
8 |
| Showa Denko K.K. | 2230 |
7 |
| Nippon Shokubai Co., Ltd. | 1507 |
7 |
| Schmid Silicon Technology GmbH | 27 |
7 |
| American Air Liquide, Inc. | 251 |
6 |
| MEMC Electronic Materials, Inc. | 80 |
5 |
| Wacker Chemie AG | 2106 |
5 |
| Thin Film Electronics ASA | 50 |
4 |
| KCC Corporation | 312 |
4 |
| Ensurge Micropower ASA | 71 |
4 |
| JX Nippon Oil & Energy Corporation | 999 |
3 |
| REC Silicon Inc | 75 |
3 |
| Spawnt Private S.a.r.l. | 29 |
3 |
| Nata Semiconductor Materials Co., Ltd. | 20 |
3 |
| Mitsui Chemicals, Inc. | 3215 |
2 |
| BYK-Chemie GmbH | 443 |
2 |
| Institute of Ion-plasma and Laser Technologies | 4 |
2 |
| Other owners | 81 |