Patent holdings for IPC class B01J 23/63

Total number of patents in this class: 1617

10-year publication summary

124
113
130
114
108
99
102
100
100
42
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Cataler Corporation
574
194
Johnson Matthey Public Limited Company
1866
136
Umicore AG & Co. KG
855
98
Mitsui Mining & Smelting Co., Ltd.
1489
93
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12787
73
Toyota Motor Corporation
32450
66
BASF Corporation
1716
56
BASF Mobile Emissions Catalysts LLC
405
52
Umicore Shokubai Japan Co., Ltd.
80
41
N.E. Chemcat Corporation
188
39
BASF SE
20940
25
Honda Motor Co., Ltd.
25327
22
Ibiden Co., Ltd.
1712
20
Rhodia Operations
1587
19
Nissan Motor Co., Ltd.
12516
17
Mazda Motor Corporation
3151
16
Japan Science and Technology Agency
1321
15
BASF Catalysts LLC
152
15
SABIC Global Technologies B.V.
4351
14
GM Global Technology Operations LLC
15095
13
Other owners 593