- All sections
- D - Textiles; paper
- D04H - Making textile fabrics, e.g. from fibres or filamentary material; fabrics made by such processes or apparatus, e.g. felts, non-woven fabrics; cotton-wool; wadding
- D04H 1/4242 - Carbon fibres
Patent holdings for IPC class D04H 1/4242
Total number of patents in this class: 257
10-year publication summary
30
|
35
|
28
|
35
|
17
|
24
|
20
|
16
|
13
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toray Industries, Inc. | 6652 |
29 |
Goodrich Corporation | 2081 |
12 |
Teijin Limited | 1216 |
12 |
SGL Automotive Carbon Fibers GmbH & Co. KG | 13 |
8 |
Mitsubishi Chemical Corporation | 4313 |
7 |
Carl Freudenberg KG | 1346 |
7 |
Zeon Corporation | 3854 |
7 |
Johns Manville | 980 |
6 |
SGL Carbon SE | 388 |
6 |
Nanocomp Technologies, Inc. | 101 |
5 |
Lintec of America, Inc. | 158 |
4 |
Owens Corning Intellectual Capital, LLC | 1456 |
4 |
Toyobo Co., Ltd. | 2286 |
4 |
Teijin Automotive Technologies, Inc. | 96 |
4 |
3m Innovative Properties Company | 18406 |
3 |
Board of Regents, The University of Texas System | 5370 |
3 |
Dynetics, Inc. | 14 |
3 |
General Nano LLC | 23 |
3 |
Safran Landing Systems | 621 |
3 |
E. I. du Pont de Nemours and Company | 4345 |
2 |
Other owners | 125 |