- 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: 768
10-year publication summary
|
52
|
49
|
68
|
43
|
35
|
41
|
34
|
24
|
27
|
20
|
| 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. | 4021 |
28 |
| Tsinghua University | 6259 |
27 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
17 |
| Toray Industries, Inc. | 7163 |
16 |
| Honda Motor Co., Ltd. | 26594 |
14 |
| C2cnt LLC | 86 |
14 |
| Applied Nanostructured Solutions, LLC | 94 |
13 |
| The Boeing Company | 20212 |
12 |
| Mitsubishi Chemical Corporation | 4757 |
12 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1701 |
12 |
| Board of Regents, The University of Texas System | 6177 |
11 |
| LG Chem, Ltd. | 17978 |
10 |
| Korea Institute of Science and Technology | 2260 |
10 |
| William Marsh Rice University | 1081 |
10 |
| Teijin Limited | 1294 |
9 |
| Global Graphene Group, Inc. | 249 |
8 |
| Zhejiang University | 3488 |
8 |
| Samsung Electronics Co., Ltd. | 159298 |
7 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
7 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 144 |
6 |
| Other owners | 517 |