Patent holdings for IPC class D01F 6/00

Total number of patents in this class: 218

10-year publication summary

14
10
11
21
12
5
15
6
6
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
6891
24
DuPont Safety & Construction, Inc.
671
8
Asahi Kasei Kabushiki Kaisha
2636
6
Toyo Boseki Kabushiki Kaisha
385
5
The Board of Regents of the University of Texas System
2199
5
FUJIFILM Corporation
29228
4
Toyobo Co., Ltd.
2482
4
E. I. du Pont de Nemours and Company
4118
3
Board of Regents, The University of Texas System
5751
3
Kaneka Corporation
4486
3
Asahi Kasei Medical Co., Ltd.
295
3
Eastman Chemical Company
2254
3
The Procter & Gamble Company
22018
2
BASF SE
20777
2
Panasonic Corporation
20173
2
Wisconsin Alumni Research Foundation
3864
2
Kao Corporation
4943
2
DSM IP Assets B.V.
5659
2
The Regents of the University of Michigan
4670
2
Board of Regents of the University of Nebraska
751
2
Other owners 131