Patent holdings for IPC class C01B 33/08

Total number of patents in this class: 59

10-year publication summary

2
2
1
0
1
4
1
2
5
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Evonik Operations GmbH
4219
4
Evonik Degussa GmbH
1431
3
Shin-Etsu Chemical Co., Ltd.
5878
3
Wacker Chemie AG
2104
3
Dow Silicones Corporation
2018
3
High-purity Silicon Corporation
73
3
Entegris, Inc.
1957
2
Hanwha Chemical Corporation
312
2
Mitsubishi Materials Corporation
2466
2
REC Silicon Inc
75
2
Corner Star Limited
95
2
LG Chem, Ltd.
17745
1
Merck Patent GmbH
5729
1
Hyundai Motor Company
23273
1
NGK Insulators, Ltd.
5205
1
Toyota Industries Corporation
1174
1
Dow Corning Corporation
929
1
Arise Technologies Corporation
8
1
Case Western Reserve University
1862
1
Florida State University Research Foundation, Inc.
806
1
Other owners 21