- 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: 230
10-year publication summary
|
14
|
10
|
11
|
21
|
12
|
5
|
15
|
6
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6859 |
25 |
| DuPont Safety & Construction, Inc. | 681 |
8 |
| Asahi Kasei Kabushiki Kaisha | 2574 |
6 |
| Toyo Boseki Kabushiki Kaisha | 421 |
6 |
| The Board of Regents of the University of Texas System | 2134 |
5 |
| FUJIFILM Corporation | 28841 |
4 |
| Toyobo Co., Ltd. | 2427 |
4 |
| E. I. du Pont de Nemours and Company | 4249 |
3 |
| Board of Regents, The University of Texas System | 5641 |
3 |
| Kaneka Corporation | 4498 |
3 |
| Asahi Kasei Medical Co., Ltd. | 300 |
3 |
| Eastman Chemical Company | 2261 |
3 |
| The Procter & Gamble Company | 22132 |
2 |
| BASF SE | 20458 |
2 |
| Panasonic Corporation | 20307 |
2 |
| Wisconsin Alumni Research Foundation | 3838 |
2 |
| Kao Corporation | 4921 |
2 |
| DSM IP Assets B.V. | 5790 |
2 |
| The Regents of the University of Michigan | 4595 |
2 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 298 |
2 |
| Other owners | 141 |