Patent holdings for IPC class D01F 6/52

Total number of patents in this class: 29

10-year publication summary

4
4
2
2
1
3
0
3
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7067
4
Nissan Chemical Industries, Ltd.
1661
4
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
695
2
Zhejiang Sci-Tech University
103
2
The Procter & Gamble Company
21919
1
Philip Morris Products S.A.
8041
1
Philip Morris USA Inc.
664
1
Samsung SDI Co., Ltd.
10194
1
The Johns Hopkins University
5844
1
Kaneka Corporation
4654
1
Cornell University
3400
1
Kyoto University
2898
1
Teijin Limited
1274
1
Toyama Prefecture
60
1
University of Fukui
93
1
Vanderbilt University
1991
1
Amolifescience Co., Ltd.
96
1
INVISTA Textiles (U.K.) Limited
267
1
Afyx Therapeutics A/S
24
1
INV Performance Materials, LLC
39
1
Other owners 1