Patent holdings for IPC class D01F 6/80

Total number of patents in this class: 142

10-year publication summary

20
7
11
10
6
2
9
15
7
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
DuPont Safety & Construction, Inc.
676
28
E. I. du Pont de Nemours and Company
4345
21
Kolon Industries, Inc.
1506
13
Teijin Limited
1216
9
Teijin Aramid B.V.
182
6
INVISTA Technologies S.a.r.l.
450
5
DSM IP Assets B.V.
5856
4
Mitsubishi Gas Chemical Company, Inc.
3188
3
Shakespeare Company, LLC
160
3
Taiwan Textile Research Institute
143
3
Universal Fibers, Inc.
49
3
Ricoh Company, Ltd.
13266
2
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
1115
2
Samsung Electronics Co., Ltd.
131630
1
3m Innovative Properties Company
18406
1
Covidien LP
10647
1
Toray Industries, Inc.
6652
1
Toray Advanced Materials Korea Inc.
222
1
Mitsubishi Chemical Corporation
4313
1
Advansix Resins & Chemicals LLC
278
1
Other owners 33