- 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: 62
10-year publication summary
|
4
|
1
|
7
|
7
|
7
|
6
|
6
|
2
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Limited | 1248 |
11 |
| Toray Industries, Inc. | 6950 |
6 |
| National Nonwovens, Inc. | 32 |
3 |
| Teijin Aramid B.V. | 169 |
3 |
| 3m Innovative Properties Company | 17820 |
2 |
| Hyundai Motor Company | 22141 |
2 |
| Cabot Corporation | 551 |
2 |
| Kolon Industries, Inc. | 1688 |
2 |
| Kuraray Co., Ltd. | 3507 |
2 |
| Yamauchi Corporation | 96 |
2 |
| DuPont Safety & Construction, Inc. | 705 |
2 |
| E. I. du Pont de Nemours and Company | 4041 |
1 |
| Canon Inc. | 40165 |
1 |
| Massachusetts Institute of Technology | 10066 |
1 |
| Sabic Innovative Plastics IP B.V. | 681 |
1 |
| Kia Motors Corporation | 7752 |
1 |
| Mitsui Chemicals, Inc. | 3224 |
1 |
| Kaneka Corporation | 4544 |
1 |
| Autefa Solutions Germany GmbH | 67 |
1 |
| Daicel Corporation | 2354 |
1 |
| Other owners | 16 |