Patent holdings for IPC class B01J 33/00

Total number of patents in this class: 287

10-year publication summary

23
28
21
14
14
17
15
11
14
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Johnson Matthey Public Limited Company
1850
16
BASF Corporation
1720
12
Ibiden Co., Ltd.
1704
8
IFP Energies Nouvelles
2933
8
BASF SE
20933
6
Clariant International Ltd.
937
6
BASF Mobile Emissions Catalysts LLC
405
6
Reactor Resources, LLC
7
5
Tanaka Kikinzoku Kogyo K.K.
583
5
GM Global Technology Operations LLC
15042
4
NGK Insulators, Ltd.
4955
4
Aramco Services Company
3969
4
Eurecat S.A.
88
4
Korea Institute of Energy Research
852
4
Mitsui Mining & Smelting Co., Ltd.
1482
4
Saudi Arabian Oil Company
13155
4
Evonik Operations GmbH
4105
4
IQatalyst B.V.
14
4
BASF Nederland B.V.
5
3
BP p.l.c.
518
3
Other owners 173