- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/158 - Carbon nanotubes
Patent holdings for IPC class C01B 32/158
Total number of patents in this class: 659
10-year publication summary
|
11
|
76
|
91
|
112
|
71
|
73
|
55
|
60
|
41
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4079 |
29 |
| LG Chem, Ltd. | 17594 |
25 |
| Lintec of America, Inc. | 156 |
24 |
| Tsinghua University | 5886 |
19 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
18 |
| Nitto Denko Corporation | 8219 |
14 |
| Hitachi Zosen Corporation | 621 |
12 |
| The Furukawa Electric Co., Ltd. | 3644 |
11 |
| Molecular Rebar Design, LLC | 75 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
10 |
| NEC Corporation | 35509 |
9 |
| Nanocomp Technologies, Inc. | 101 |
9 |
| C2cnt LLC | 88 |
9 |
| International Business Machines Corporation | 61185 |
8 |
| Lintec Corporation | 1965 |
8 |
| Massachusetts Institute of Technology | 10030 |
7 |
| ASML Netherlands B.V. | 7355 |
6 |
| Applied Graphene Materials UK Limited | 28 |
6 |
| Waseda University | 450 |
6 |
| LG Energy Solution, Ltd. | 14756 |
6 |
| Other owners | 412 |