Patent holdings for IPC class B01J 39/04

Total number of patents in this class: 215

10-year publication summary

25
28
12
12
12
11
9
14
10
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Organo Corporation
507
9
Asahi Kasei Kabushiki Kaisha
2719
7
Ecolab USA Inc.
5598
7
Kurita Water Industries Ltd.
1230
5
Evonik Operations GmbH
4172
5
Sony Corporation
30787
4
FUJIFILM Corporation
29817
4
Evoqua Water Technologies LLC
922
4
K-technologies, Inc.
13
4
Novamont S.p.A.
359
4
Agc, Inc.
5018
4
Mitsubishi Heavy Industries, Ltd.
8875
3
Evonik Degussa GmbH
1460
3
Battelle Energy Alliance, LLC
594
3
Mitsubishi Gas Chemical Company, Inc.
3499
3
Re-n Technology ApS
4
3
CF Technologies, Inc.
3
3
DDP Specialty Electronic Materials US, LLC
843
3
3m Innovative Properties Company
17730
2
LG Chem, Ltd.
17679
2
Other owners 133