- All sections
- D - Textilespaper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbonsapparatus specially adapted for the manufacture of carbon filaments
- D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyester as constituent
Patent holdings for IPC class D01F 8/14
Total number of patents in this class: 835
10-year publication summary
|
27
|
35
|
47
|
61
|
96
|
85
|
91
|
65
|
69
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6951 |
97 |
| Kaneka Corporation | 4529 |
29 |
| Kuraray Co., Ltd. | 3503 |
17 |
| Teijin Frontier Co., Ltd. | 215 |
17 |
| ES FiberVisions ApS | 37 |
16 |
| ES FiberVisions Co., Ltd. | 39 |
16 |
| ES FiberVisions LP | 40 |
16 |
| Toray Advanced Materials Korea Inc. | 260 |
15 |
| Kimberly-clark Worldwide, Inc. | 5495 |
14 |
| ES FiberVisions Hong Kong Limited | 28 |
13 |
| 3m Innovative Properties Company | 17819 |
11 |
| Teijin Fibers Limited | 51 |
11 |
| Toray Fibers & Textiles Research Laboratories (China) Co., Ltd. | 86 |
10 |
| Unitika Ltd. | 451 |
10 |
| The Procter & Gamble Company | 22035 |
9 |
| Fitesa Germany GmbH | 39 |
9 |
| Fitesa Simpsonville, Inc. | 34 |
9 |
| KB Seiren, Ltd. | 98 |
9 |
| Technion Research & Development Foundation Ltd. | 1217 |
8 |
| E. I. du Pont de Nemours and Company | 4058 |
7 |
| Other owners | 492 |