Patent holdings for IPC class B01J 23/46

Total number of patents in this class: 2227

10-year publication summary

148
153
147
130
169
181
188
167
178
61
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
1862
97
Cataler Corporation
575
89
Umicore AG & Co. KG
856
86
Toyota Motor Corporation
31451
74
BASF Mobile Emissions Catalysts LLC
395
54
BASF SE
20777
47
Sumitomo Chemical Company, Limited
9009
44
BASF Corporation
1714
41
Archer Daniels Midland Company
1111
23
Korea Research Institute of Chemical Technology
1376
23
Korea Institute of Science and Technology
2114
22
Japan Science and Technology Agency
1341
21
ExxonMobil Chemical Patents Inc.
4028
19
Kyoto University
2793
19
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12864
19
Mitsui Mining & Smelting Co., Ltd.
1470
17
Tokyo Institute of Technology
1384
14
Honda Motor Co., Ltd.
25137
11
LG Chem, Ltd.
17561
11
The Regents of the University of California
19812
11
Other owners 1485