- 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 1/728 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
Patent holdings for IPC class D04H 1/728
Total number of patents in this class: 982
10-year publication summary
|
83
|
75
|
77
|
69
|
82
|
86
|
74
|
72
|
77
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 4967 |
35 |
| Amogreentech Co., Ltd. | 612 |
35 |
| FUJIFILM Corporation | 29437 |
26 |
| Washington University | 1616 |
24 |
| Panasonic Corporation | 20088 |
15 |
| Cornell University | 3307 |
13 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
11 |
| Toray Industries, Inc. | 6950 |
10 |
| Finetex Ene, Inc. | 26 |
9 |
| Amolifescience Co., Ltd. | 96 |
9 |
| Bakel S.r.l. | 36 |
8 |
| Donaldson Company, Inc. | 1601 |
8 |
| Poly-Med, Inc. | 184 |
8 |
| The Procter & Gamble Company | 22043 |
7 |
| Altria Client Services LLC | 2197 |
7 |
| Japan Vilene Company, Ltd. | 65 |
7 |
| JNC Corporation | 1561 |
7 |
| Kolon Industries, Inc. | 1688 |
7 |
| LG Electronics Inc. | 73344 |
6 |
| JNC Fibers Corporation | 53 |
6 |
| Other owners | 724 |