- 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 6/00 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof
Patent holdings for IPC class D01F 6/00
Total number of patents in this class: 221
10-year publication summary
|
11
|
8
|
8
|
17
|
12
|
4
|
15
|
6
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7006 |
25 |
| DuPont Safety & Construction, Inc. | 709 |
8 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
6 |
| Toyo Boseki Kabushiki Kaisha | 331 |
5 |
| The Board of Regents of the University of Texas System | 2229 |
5 |
| FUJIFILM Corporation | 29817 |
4 |
| Toyobo Co., Ltd. | 2470 |
4 |
| E. I. du Pont de Nemours and Company | 3899 |
3 |
| Board of Regents, The University of Texas System | 5938 |
3 |
| Kaneka Corporation | 4608 |
3 |
| Asahi Kasei Medical Co., Ltd. | 235 |
3 |
| Eastman Chemical Company | 2212 |
3 |
| The Procter & Gamble Company | 21989 |
2 |
| BASF SE | 21087 |
2 |
| Panasonic Corporation | 19966 |
2 |
| Wisconsin Alumni Research Foundation | 3891 |
2 |
| Kao Corporation | 5002 |
2 |
| DSM IP Assets B.V. | 5562 |
2 |
| The Regents of the University of Michigan | 4780 |
2 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 294 |
2 |
| Other owners | 133 |