Patent holdings for IPC class B01J 39/20

Total number of patents in this class: 420

10-year publication summary

55
48
43
36
28
34
25
26
20
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
FUJIFILM Manufacturing Europe B.V.
269
26
FUJIFILM Corporation
29305
25
Agc, Inc.
4816
20
Organo Corporation
463
18
Rohm and Haas Company
2919
12
Ecolab USA Inc.
5471
12
Asahi Kasei Kabushiki Kaisha
2654
11
3m Innovative Properties Company
17857
9
Dow Global Technologies LLC
10373
9
Kurita Water Industries Ltd.
1190
9
Asahi Glass Company, Limited
2799
8
Astom Corporation
33
6
Dionex Corporation
331
6
Saltworks Technologies Inc.
92
6
DDP Specialty Electronic Materials US 8 LLC
152
6
Vifor (International) Ltd.
29
6
DDP Specialty Electronic Materials US, LLC
828
6
Toray Industries, Inc.
6931
5
Ardelyx, Inc.
113
5
BL Technologies, Inc.
834
5
Other owners 210