- 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 8/08 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
Patent holdings for IPC class D01F 8/08
Total number of patents in this class: 54
10-year publication summary
|
1
|
7
|
7
|
7
|
5
|
3
|
5
|
7
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Japan Exlan Company Limited | 55 |
4 |
| E. I. du Pont de Nemours and Company | 4249 |
3 |
| Toyobo Co., Ltd. | 2426 |
3 |
| DuPont Safety & Construction, Inc. | 683 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2471 |
2 |
| Nantong University | 261 |
2 |
| Metis Technologies Pty Ltd | 6 |
2 |
| Aksa Akrilik Kimya Sanayii Anonim Sirketi | 27 |
2 |
| The Regents of the University of California | 19544 |
1 |
| The Boeing Company | 19915 |
1 |
| Hyundai Motor Company | 20512 |
1 |
| Massachusetts Institute of Technology | 9921 |
1 |
| Mitsubishi Rayon Co., Ltd. | 944 |
1 |
| Mitsubishi Chemical Corporation | 4453 |
1 |
| The United States of America as represented by the Secretary of the Army | 1185 |
1 |
| Flex Ltd. | 220 |
1 |
| Glen Raven, Inc. | 127 |
1 |
| Hills, Inc. | 17 |
1 |
| Industry-University Cooperation Foundation Hanyang University | 1007 |
1 |
| Korea Institute of Geoscience and Mineral Resources | 235 |
1 |
| Other owners | 21 |