Patent holdings for IPC class D01F 6/48

Total number of patents in this class: 71

10-year publication summary

1
1
1
4
2
1
7
4
11
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Denka Company Limited
2566
21
Kaneka Corporation
4519
7
DuPont Safety & Construction, Inc.
684
3
Asahi Kasei Kabushiki Kaisha
2666
2
Denki Kagaku Kogyo Kabushiki Kaisha
628
2
Kureha Corporation
1027
2
Polysteel Atlantic Limited
2
2
LG Chem, Ltd.
17620
1
E. I. du Pont de Nemours and Company
4086
1
Daikin Industries, Ltd.
9991
1
Schaeffler Technologies AG & Co. KG
9858
1
BYD Company Limited
4978
1
City University of Hong Kong
201
1
ElringKlinger AG
536
1
Harbin Institute of Technology
439
1
Huazhong University of Science and Technology
1047
1
Nippon Valqua Industries, Ltd.
75
1
Nissan Chemical Industries, Ltd.
1717
1
Solvay SA
995
1
Soochow University
1735
1
Other owners 19