- 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 9/12 - Carbon filamentsApparatus specially adapted for the manufacture thereof
Patent holdings for IPC class D01F 9/12
Total number of patents in this class: 775
10-year publication summary
|
49
|
47
|
67
|
43
|
34
|
37
|
31
|
23
|
26
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4005 |
30 |
| Tsinghua University | 6071 |
29 |
| Carbon Holdings Intellectual Properties, LLC | 63 |
17 |
| Honda Motor Co., Ltd. | 25773 |
14 |
| Toray Industries, Inc. | 7016 |
14 |
| C2cnt LLC | 91 |
14 |
| Applied Nanostructured Solutions, LLC | 94 |
13 |
| Mitsubishi Chemical Corporation | 4671 |
13 |
| The Boeing Company | 20111 |
12 |
| Board of Regents, The University of Texas System | 6015 |
11 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1503 |
11 |
| LG Chem, Ltd. | 17745 |
10 |
| William Marsh Rice University | 1057 |
10 |
| Korea Institute of Science and Technology | 2178 |
9 |
| Teijin Limited | 1256 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3796 |
8 |
| Global Graphene Group, Inc. | 248 |
8 |
| Samsung Electronics Co., Ltd. | 151726 |
7 |
| Zhejiang University | 3329 |
7 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 146 |
6 |
| Other owners | 523 |