- 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 9/12 - Carbon filaments; Apparatus specially adapted for the manufacture thereof
Patent holdings for IPC class D01F 9/12
Total number of patents in this class: 869
10-year publication summary
47
|
49
|
52
|
49
|
68
|
43
|
36
|
41
|
32
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hon Hai Precision Industry Co., Ltd. | 4157 |
38 |
Tsinghua University | 5426 |
36 |
Honda Motor Co., Ltd. | 24537 |
21 |
Applied Nanostructured Solutions, LLC | 94 |
13 |
Board of Regents, The University of Texas System | 5370 |
13 |
Mitsubishi Chemical Corporation | 4313 |
13 |
Carbon Holdings Intellectual Properties, LLC | 41 |
13 |
The Boeing Company | 19843 |
12 |
Toray Industries, Inc. | 6652 |
12 |
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1115 |
11 |
William Marsh Rice University | 937 |
11 |
LG Chem, Ltd. | 17205 |
10 |
National Institute of Advanced Industrial Science and Technology | 3677 |
10 |
Teijin Limited | 1216 |
10 |
Samsung Electronics Co., Ltd. | 131630 |
9 |
Korea Institute of Science and Technology | 2022 |
9 |
C2cnt LLC | 79 |
9 |
Beijing FUNATE Innovation Technology Co., Ltd. | 150 |
8 |
Global Graphene Group, Inc. | 246 |
8 |
Hyperion Catalysis International, Inc. | 27 |
7 |
Other owners | 596 |