- All sections
- D - Textiles; paper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments
- D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture 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: 782
10-year publication summary
|
39
|
27
|
35
|
47
|
61
|
96
|
84
|
92
|
63
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
89 |
| Kaneka Corporation | 4445 |
26 |
| ES FiberVisions ApS | 39 |
18 |
| ES FiberVisions Co., Ltd. | 41 |
18 |
| ES FiberVisions LP | 43 |
18 |
| Kuraray Co., Ltd. | 3392 |
18 |
| Teijin Frontier Co., Ltd. | 182 |
16 |
| Teijin Fibers Limited | 66 |
14 |
| Kimberly-clark Worldwide, Inc. | 5854 |
13 |
| ES FiberVisions Hong Kong Limited | 28 |
13 |
| 3m Innovative Properties Company | 18406 |
12 |
| Toray Advanced Materials Korea Inc. | 222 |
12 |
| KB Seiren, Ltd. | 99 |
10 |
| Unitika Ltd. | 441 |
10 |
| The Procter & Gamble Company | 22178 |
9 |
| Fitesa Germany GmbH | 34 |
8 |
| Fitesa Simpsonville, Inc. | 26 |
8 |
| Technion Research & Development Foundation Ltd. | 1167 |
8 |
| E. I. du Pont de Nemours and Company | 4345 |
7 |
| Dow Global Technologies LLC | 10147 |
7 |
| Other owners | 448 |