Patent holdings for IPC class C01B 33/00

Total number of patents in this class: 353

10-year publication summary

18
5
22
15
18
22
13
7
14
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF Mobile Emissions Catalysts LLC
427
14
Umicore
784
11
Johnson Matthey Public Limited Company
1766
8
Umicore AG & Co. KG
842
7
Wacker Chemie AG
2124
7
Nexeon Limited
183
5
Umicore Shokubai Japan Co., Ltd.
79
5
Corner Star Limited
94
5
Quantumscape Battery, Inc.
225
5
Evonik Degussa GmbH
1343
4
Panasonic Intellectual Property Management Co., Ltd.
34623
4
Commissariat à l'énergie atomique et aux energies alternatives
11137
4
Hydro-Quebec
638
4
Mitsubishi Materials Corporation
2484
4
Nalco Company
528
4
Tokyo Institute of Technology
1304
4
Evonik Operations GmbH
4443
4
LG Energy Solution, Ltd.
19725
4
Micron Technology, Inc.
27901
3
Aspen Aerogels, Inc.
262
3
Other owners 244