- 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 1/4342 - Aromatic polyamides
Patent holdings for IPC class D04H 1/4342
Total number of patents in this class: 63
10-year publication summary
|
1
|
8
|
8
|
7
|
6
|
6
|
2
|
4
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Limited | 1290 |
10 |
| Toray Industries, Inc. | 7139 |
5 |
| National Nonwovens, Inc. | 32 |
3 |
| Teijin Aramid B.V. | 168 |
3 |
| DuPont Safety & Construction, Inc. | 679 |
3 |
| 3m Innovative Properties Company | 17458 |
2 |
| Hyundai Motor Company | 24808 |
2 |
| Cabot Corporation | 542 |
2 |
| Kolon Industries, Inc. | 1850 |
2 |
| Kuraray Co., Ltd. | 3601 |
2 |
| Yamauchi Corporation | 96 |
2 |
| E. I. du Pont de Nemours and Company | 3486 |
1 |
| Canon Inc. | 44051 |
1 |
| Massachusetts Institute of Technology | 10282 |
1 |
| Sabic Innovative Plastics IP B.V. | 584 |
1 |
| Kia Motors Corporation | 7718 |
1 |
| Mitsui Chemicals, Inc. | 3259 |
1 |
| Kaneka Corporation | 4732 |
1 |
| Autefa Solutions Germany GmbH | 68 |
1 |
| Bando Chemical Industries, Ltd. | 603 |
1 |
| Other owners | 18 |