Patent holdings for IPC class B01D 71/40

Total number of patents in this class: 490

10-year publication summary

33
45
33
56
42
42
25
32
27
18
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
29329
46
FUJIFILM Manufacturing Europe B.V.
269
29
Toray Industries, Inc.
6935
27
Sumitomo Chemical Company, Limited
9046
17
Renaissance Energy Research Corporation
60
16
FUJIFILM Imaging Colorants Limited
217
13
Nitto Denko Corporation
8217
12
3m Innovative Properties Company
17852
10
Asahi Kasei Medical Co., Ltd.
285
9
Solventum Intellectual Properties Company
3321
9
Mitsubishi Chemical Corporation
4496
8
Trustees of Tufts College
873
8
Dow Global Technologies LLC
10353
7
Gambro Lundia AB
1363
7
California Institute of Technology
3972
5
Korea Advanced Institute of Science and Technology
4368
5
Arkema France
4102
5
Arkema Inc.
1060
5
Merck Millipore Ltd.
35
5
BASF SE
20912
4
Other owners 243