- 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: 794
10-year publication summary
|
49
|
49
|
47
|
67
|
43
|
34
|
37
|
31
|
23
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4027 |
32 |
| Tsinghua University | 5940 |
31 |
| Honda Motor Co., Ltd. | 25327 |
17 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
16 |
| Applied Nanostructured Solutions, LLC | 94 |
13 |
| Toray Industries, Inc. | 6950 |
13 |
| Mitsubishi Chemical Corporation | 4525 |
13 |
| The Boeing Company | 20084 |
12 |
| C2cnt LLC | 87 |
12 |
| Board of Regents, The University of Texas System | 5808 |
11 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1400 |
11 |
| LG Chem, Ltd. | 17635 |
10 |
| William Marsh Rice University | 1010 |
10 |
| Korea Institute of Science and Technology | 2123 |
9 |
| Samsung Electronics Co., Ltd. | 146811 |
8 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
8 |
| Global Graphene Group, Inc. | 247 |
8 |
| Teijin Limited | 1245 |
8 |
| Zhejiang University | 3162 |
7 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 146 |
6 |
| Other owners | 539 |