Patent holdings for IPC class B01J 23/63

Total number of patents in this class: 1668

10-year publication summary

116
133
119
109
103
106
108
103
71
46
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Cataler Corporation
572
200
Johnson Matthey Public Limited Company
1761
142
Umicore AG & Co. KG
854
101
Mitsui Mining & Smelting Co., Ltd.
1095
74
Toyota Motor Corporation
35813
69
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12378
60
BASF Mobile Emissions Catalysts LLC
431
58
BASF Corporation
1683
55
Umicore Shokubai Japan Co., Ltd.
79
42
N.E. Chemcat Corporation
188
39
BASF SE
21308
25
Mitsui Kinzoku Company, Limited
438
22
Ibiden Co., Ltd.
1667
20
Honda Motor Co., Ltd.
26034
17
Japan Science and Technology Agency
1212
17
Rhodia Operations
1491
17
Mazda Motor Corporation
3297
16
Nissan Motor Co., Ltd.
12966
14
BASF Catalysts LLC
112
14
SABIC Global Technologies B.V.
4599
14
Other owners 652