Patent holdings for IPC class D03D 15/20

Total number of patents in this class: 74

10-year publication summary

0
0
1
1
14
13
13
16
8
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Kaneka Corporation
4612
12
Paua Trading Limited
21
4
Murata Manufacturing Co., Ltd.
25144
3
Toray Industries, Inc.
7021
2
Yamamoto Chemicals, Inc.
47
2
Sumitomo Metal Mining Co., Ltd.
1795
2
Teijin Limited
1259
2
Unitika Trading Co., Ltd.
17
2
Celanese Polymers Holding, Inc.
36
2
3m Innovative Properties Company
17614
1
The Regents of the University of California
20324
1
Mitsubishi Chemical Corporation
4632
1
The Board of Trustees of the University of Illinois
2726
1
Columbia Sportswear North America, Inc.
354
1
Electroninks Incorporated
38
1
Goertek Inc.
2711
1
Imperial College Innovations Limited
615
1
Kuraray Co., Ltd.
3551
1
Kuraray Trading Co., Ltd.
37
1
Kyodo Printing Co., Ltd.
149
1
Other owners 32