Patent holdings for IPC class B01J 23/63

Total number of patents in this class: 1631

10-year publication summary

124
113
130
114
108
99
104
101
100
57
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Cataler Corporation
577
195
Johnson Matthey Public Limited Company
1876
138
Umicore AG & Co. KG
862
98
Mitsui Mining & Smelting Co., Ltd.
1512
94
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12737
71
Toyota Motor Corporation
33138
67
BASF Corporation
1718
57
BASF Mobile Emissions Catalysts LLC
414
53
Umicore Shokubai Japan Co., Ltd.
79
41
N.E. Chemcat Corporation
189
39
BASF SE
21053
24
Honda Motor Co., Ltd.
25776
22
Ibiden Co., Ltd.
1720
20
Rhodia Operations
1584
19
Nissan Motor Co., Ltd.
12609
17
Mazda Motor Corporation
3184
16
Japan Science and Technology Agency
1294
15
BASF Catalysts LLC
148
15
SABIC Global Technologies B.V.
4382
14
GM Global Technology Operations LLC
15239
13
Other owners 603