Patent holdings for IPC class B01J 23/58

Total number of patents in this class: 792

10-year publication summary

47
38
52
43
40
34
31
40
29
28
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
1842
67
Cataler Corporation
573
47
Umicore AG & Co. KG
857
31
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12851
24
BASF SE
20803
21
Tokyo Institute of Technology
1383
20
BASF Mobile Emissions Catalysts LLC
396
20
Uop LLC
4216
16
Mitsui Mining & Smelting Co., Ltd.
1470
15
Toyota Motor Corporation
31565
14
Chevron U.S.A. Inc.
3939
14
N.E. Chemcat Corporation
188
14
Japan Science and Technology Agency
1339
13
BASF Corporation
1715
11
Nissan Motor Co., Ltd.
12391
11
Heesung Catalysts Corporation
110
11
Chevron Phillips Chemical Company LP
1835
10
Clariant International Ltd.
935
9
Murata Manufacturing Co., Ltd.
24369
8
Umicore Shokubai Japan Co., Ltd.
77
8
Other owners 408