- 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 1/4342 - Aromatic polyamides
Patent holdings for IPC class D04H 1/4342
Total number of patents in this class: 59
10-year publication summary
|
6
|
4
|
1
|
8
|
8
|
7
|
6
|
6
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Limited | 1216 |
11 |
| Toray Industries, Inc. | 6652 |
6 |
| National Nonwovens, Inc. | 32 |
3 |
| Teijin Aramid B.V. | 182 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Kolon Industries, Inc. | 1506 |
2 |
| Kuraray Co., Ltd. | 3392 |
2 |
| Yamauchi Corporation | 101 |
2 |
| DuPont Safety & Construction, Inc. | 676 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| Canon Inc. | 36841 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Sabic Innovative Plastics IP B.V. | 683 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| Kaneka Corporation | 4445 |
1 |
| Autefa Solutions Germany GmbH | 64 |
1 |
| Cabot Corporation | 575 |
1 |
| Daicel Corporation | 2128 |
1 |
| Other owners | 14 |