- 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 1/4326 - Condensation or reaction polymers
Patent holdings for IPC class D04H 1/4326
Total number of patents in this class: 138
10-year publication summary
|
13
|
14
|
14
|
13
|
6
|
9
|
8
|
9
|
23
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6950 |
15 |
| Kuraray Co., Ltd. | 3506 |
10 |
| 3m Innovative Properties Company | 17823 |
9 |
| Toyobo MC Corporation | 360 |
6 |
| Kimberly-clark Worldwide, Inc. | 5502 |
4 |
| Hyundai Motor Company | 22086 |
3 |
| Kia Motors Corporation | 7754 |
3 |
| Japan Vilene Company, Ltd. | 65 |
3 |
| The Procter & Gamble Company | 22043 |
2 |
| E. I. du Pont de Nemours and Company | 4050 |
2 |
| Mitsubishi Chemical Corporation | 4525 |
2 |
| Cabot Corporation | 551 |
2 |
| Cummins Filtration IP, Inc. | 808 |
2 |
| Finetex Ene, Inc. | 26 |
2 |
| Hollingsworth & Vose Company | 294 |
2 |
| Kolon Fashion Material, Inc. | 14 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3468 |
2 |
| Sekisui Chemical Co., Ltd. | 3433 |
2 |
| Toyo Boseki Kabushiki Kaisha | 371 |
2 |
| Toyobo Co., Ltd. | 2498 |
2 |
| Other owners | 61 |