- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/158 - Carbon nanotubes
Patent holdings for IPC class C01B 32/158
Total number of patents in this class: 601
10-year publication summary
|
11
|
11
|
76
|
91
|
111
|
71
|
73
|
55
|
54
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 3854 |
28 |
| LG Chem, Ltd. | 17205 |
23 |
| Lintec of America, Inc. | 158 |
22 |
| Tsinghua University | 5426 |
19 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
18 |
| Nitto Denko Corporation | 7879 |
13 |
| Hitachi Zosen Corporation | 609 |
12 |
| The Furukawa Electric Co., Ltd. | 3486 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 41 |
10 |
| NEC Corporation | 32703 |
9 |
| Molecular Rebar Design, LLC | 68 |
9 |
| International Business Machines Corporation | 60644 |
8 |
| Lintec Corporation | 1915 |
8 |
| Nanocomp Technologies, Inc. | 101 |
8 |
| Massachusetts Institute of Technology | 9795 |
7 |
| ASML Netherlands B.V. | 6816 |
6 |
| Applied Graphene Materials UK Limited | 28 |
6 |
| FastCAP SYSTEMS Corporation | 134 |
6 |
| Waseda University | 416 |
6 |
| The Regents of the University of California | 18943 |
5 |
| Other owners | 367 |