- All sections
- D - Textilespaper
- D04H - Making textile fabrics, e.g. from fibres or filamentary materialfabrics made by such processes or apparatus, e.g. felts, non-woven fabricscotton-woolwadding
- D04H 1/4242 - Carbon fibres
Patent holdings for IPC class D04H 1/4242
Total number of patents in this class: 284
10-year publication summary
|
33
|
28
|
32
|
17
|
24
|
18
|
14
|
13
|
25
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7006 |
27 |
| Goodrich Corporation | 2157 |
12 |
| Teijin Limited | 1256 |
11 |
| Mitsubishi Chemical Corporation | 4596 |
8 |
| Carl Freudenberg KG | 1383 |
8 |
| Johns Manville | 944 |
7 |
| Zeon Corporation | 4112 |
7 |
| Nanocomp Technologies, Inc. | 98 |
5 |
| Owens Corning Intellectual Capital, LLC | 1623 |
5 |
| SGL Automotive Carbon Fibers GmbH & Co. KG | 8 |
5 |
| SGL Carbon SE | 392 |
5 |
| Lintec of America, Inc. | 159 |
4 |
| Osaka Gas Chemicals Co., Ltd. | 140 |
4 |
| Toyobo Co., Ltd. | 2468 |
4 |
| Teijin Automotive Technologies, Inc. | 104 |
4 |
| 3m Innovative Properties Company | 17739 |
3 |
| Sumitomo Electric Industries, Ltd. | 15732 |
3 |
| Hyundai Motor Company | 22700 |
3 |
| Board of Regents, The University of Texas System | 5921 |
3 |
| Dynetics, Inc. | 13 |
3 |
| Other owners | 153 |