- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/159 - Carbon nanotubes single-walled
Patent holdings for IPC class C01B 32/159
Total number of patents in this class: 279
10-year publication summary
1
|
8
|
23
|
35
|
50
|
28
|
38
|
26
|
31
|
15
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Zeon Corporation | 4076 |
28 |
NEC Corporation | 35471 |
12 |
National Research Council of Canada | 1548 |
12 |
National Institute of Advanced Industrial Science and Technology | 3792 |
9 |
Kao Corporation | 4952 |
7 |
Advanced Material Development Limited | 20 |
6 |
Honda Motor Co., Ltd. | 25150 |
5 |
FUJIFILM Corporation | 29273 |
5 |
Toray Industries, Inc. | 6918 |
4 |
Lintec of America, Inc. | 157 |
4 |
Meijo Nano Carbon Co., Ltd. | 29 |
4 |
Nano-C, Inc. | 72 |
4 |
Tohoku University | 2766 |
4 |
LG Chem, Ltd. | 17581 |
3 |
Hon Hai Precision Industry Co., Ltd. | 4040 |
3 |
Wisconsin Alumni Research Foundation | 3868 |
3 |
Tsinghua University | 5855 |
3 |
Mitsui Chemicals, Inc. | 3214 |
3 |
Duke University | 3063 |
3 |
Dalian University of Technology | 1511 |
3 |
Other owners | 154 |