Patent holdings for IPC class B01J 23/58

Total number of patents in this class: 781

10-year publication summary

47
38
52
43
40
34
29
40
28
6
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
1861
65
Cataler Corporation
564
48
Umicore AG & Co. KG
863
31
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13060
28
Tokyo Institute of Technology
1393
20
BASF Mobile Emissions Catalysts LLC
362
20
BASF SE
20458
19
Uop LLC
4187
16
Mitsui Mining & Smelting Co., Ltd.
1431
15
Toyota Motor Corporation
30540
14
Chevron U.S.A. Inc.
3864
14
Japan Science and Technology Agency
1416
14
N.E. Chemcat Corporation
187
14
Nissan Motor Co., Ltd.
12365
12
BASF Corporation
1762
11
Heesung Catalysts Corporation
110
11
Chevron Phillips Chemical Company LP
1820
10
Clariant International Ltd.
953
9
Umicore Shokubai Japan Co., Ltd.
78
8
GM Global Technology Operations LLC
14308
7
Other owners 395