- 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 6/62 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
Patent holdings for IPC class D01F 6/62
Total number of patents in this class: 896
10-year publication summary
|
67
|
58
|
78
|
90
|
86
|
84
|
62
|
49
|
68
|
30
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kolon Industries, Inc. | 1506 |
49 |
| Aladdin Manufacturing Corporation | 194 |
47 |
| Toray Industries, Inc. | 6652 |
41 |
| Kaneka Corporation | 4445 |
24 |
| Tepha, Inc. | 233 |
23 |
| Kuraray Co., Ltd. | 3392 |
21 |
| Kimberly-clark Worldwide, Inc. | 5854 |
17 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
17 |
| Teijin Limited | 1216 |
15 |
| E. I. du Pont de Nemours and Company | 4345 |
13 |
| Hyosung Advanced Materials Corporation | 52 |
13 |
| Kureha Corporation | 1026 |
12 |
| 3m Innovative Properties Company | 18406 |
11 |
| Hyosung Corporation | 300 |
11 |
| Columbia Insurance Company | 1569 |
10 |
| Nike, Inc. | 13075 |
10 |
| Teijin Fibers Limited | 66 |
9 |
| Bridgestone Corporation | 7067 |
8 |
| Fitesa Germany GmbH | 34 |
8 |
| Fitesa Simpsonville, Inc. | 26 |
8 |
| Other owners | 529 |