- 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 1/09 - Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
Patent holdings for IPC class D01F 1/09
Total number of patents in this class: 189
10-year publication summary
|
6
|
16
|
29
|
17
|
13
|
17
|
13
|
12
|
14
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 3887 |
7 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1263 |
6 |
| DuPont Safety & Construction, Inc. | 689 |
6 |
| E. I. du Pont de Nemours and Company | 4252 |
5 |
| Zhejiang University | 2936 |
4 |
| Myant Inc. | 126 |
4 |
| Huawei Technologies Co., Ltd. | 106498 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 298 |
3 |
| China Petroleum & Chemical Corporation | 1774 |
3 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 80 |
3 |
| Korea Electrotechnology Research Institute | 439 |
3 |
| Teijin Limited | 1232 |
3 |
| Samsung Electronics Co., Ltd. | 138518 |
2 |
| Apple Inc. | 52607 |
2 |
| The Regents of the University of California | 19493 |
2 |
| Robert Bosch GmbH | 41717 |
2 |
| Massachusetts Institute of Technology | 9909 |
2 |
| Georgia Tech Research Corporation | 2601 |
2 |
| Korea Institute of Science and Technology | 2069 |
2 |
| Changzhou University | 166 |
2 |
| Other owners | 123 |