Patent holdings for IPC class B01J 41/04

Total number of patents in this class: 185

10-year publication summary

18
21
10
9
13
9
10
19
7
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Organo Corporation
472
8
Asahi Glass Company, Limited
2781
6
Dionex Corporation
329
6
Kurita Water Industries Ltd.
1194
4
Lanxess Deutschland GmbH
1117
4
Chemra GmbH
6
4
BASF SE
20915
3
Sony Corporation
31028
3
Mitsubishi Heavy Industries, Ltd.
8735
3
Merck Patent GmbH
5818
3
FUJIFILM Corporation
29424
3
Daikin Industries, Ltd.
10016
3
Rohm and Haas Company
2877
3
Mitsubishi Gas Chemical Company, Inc.
3466
3
Nomura Micro Science Co., Ltd.
79
3
DDP Specialty Electronic Materials US, LLC
834
3
Dow Global Technologies LLC
10349
2
Arizona Board of Regents on behalf of Arizona State University
2646
2
Astom Corporation
33
2
The Chemours Company Fc, LLC
1236
2
Other owners 115