Patent holdings for IPC class B01J 23/63

Total number of patents in this class: 1620

10-year publication summary

124
113
130
114
108
99
102
100
100
46
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Cataler Corporation
578
195
Johnson Matthey Public Limited Company
1866
136
Umicore AG & Co. KG
856
98
Mitsui Mining & Smelting Co., Ltd.
1499
94
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12760
73
Toyota Motor Corporation
32681
67
BASF Corporation
1722
56
BASF Mobile Emissions Catalysts LLC
407
52
Umicore Shokubai Japan Co., Ltd.
80
41
N.E. Chemcat Corporation
188
39
BASF SE
20961
25
Honda Motor Co., Ltd.
25379
22
Ibiden Co., Ltd.
1715
20
Rhodia Operations
1586
19
Nissan Motor Co., Ltd.
12518
17
Mazda Motor Corporation
3161
16
Japan Science and Technology Agency
1305
15
BASF Catalysts LLC
150
15
SABIC Global Technologies B.V.
4359
14
GM Global Technology Operations LLC
15133
13
Other owners 593