Patent holdings for IPC class C01B 33/00

Total number of patents in this class: 349

10-year publication summary

21
18
5
22
15
18
14
13
7
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
BASF Mobile Emissions Catalysts LLC
363
14
Johnson Matthey Public Limited Company
1856
8
Umicore
599
7
Umicore AG & Co. KG
860
7
Evonik Degussa GmbH
1555
6
Umicore Shokubai Japan Co., Ltd.
78
6
Wacker Chemie AG
2107
6
Nexeon Limited
140
5
Corner Star Limited
95
5
Quantumscape Battery, Inc.
181
5
Panasonic Intellectual Property Management Co., Ltd.
29800
4
Commissariat à l'énergie atomique et aux energies alternatives
10693
4
Hydro-Quebec
645
4
Nalco Company
594
4
Tokyo Institute of Technology
1390
4
Micron Technology, Inc.
25845
3
Aspen Aerogels, Inc.
244
3
Carnegie Institution of Washington
69
3
Denka Company Limited
2465
3
JNC Corporation
1531
3
Other owners 245