- 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 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: 204
10-year publication summary
|
5
|
15
|
29
|
16
|
13
|
17
|
13
|
12
|
15
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4179 |
7 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1464 |
6 |
| DuPont Safety & Construction, Inc. | 713 |
6 |
| E. I. du Pont de Nemours and Company | 3862 |
5 |
| Zhejiang University | 3272 |
4 |
| Myant Inc. | 124 |
4 |
| Huawei Technologies Co., Ltd. | 116134 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 295 |
3 |
| China Petroleum & Chemical Corporation | 1961 |
3 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 79 |
3 |
| Korea Electrotechnology Research Institute | 477 |
3 |
| Teijin Limited | 1258 |
3 |
| Centre National de La Recherche Scientifique (cnrs) | 3089 |
3 |
| Fermi Forward Discovery Group, LLC | 102 |
3 |
| Samsung Electronics Co., Ltd. | 149362 |
2 |
| Apple Inc. | 56547 |
2 |
| The Regents of the University of California | 20315 |
2 |
| Robert Bosch GmbH | 43114 |
2 |
| Massachusetts Institute of Technology | 10161 |
2 |
| Georgia Tech Research Corporation | 2835 |
2 |
| Other owners | 136 |