- 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: 675
10-year publication summary
|
9
|
70
|
88
|
107
|
62
|
70
|
50
|
54
|
41
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4113 |
29 |
| LG Chem, Ltd. | 17676 |
25 |
| Lintec of America, Inc. | 157 |
24 |
| Tsinghua University | 5966 |
19 |
| Hon Hai Precision Industry Co., Ltd. | 4031 |
18 |
| Nitto Denko Corporation | 8338 |
14 |
| Hitachi Zosen Corporation | 615 |
12 |
| The Furukawa Electric Co., Ltd. | 3704 |
11 |
| Molecular Rebar Design, LLC | 75 |
11 |
| C2cnt LLC | 90 |
11 |
| NEC Corporation | 36108 |
10 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
10 |
| Nanocomp Technologies, Inc. | 100 |
9 |
| International Business Machines Corporation | 61537 |
8 |
| Lintec Corporation | 2004 |
8 |
| Massachusetts Institute of Technology | 10115 |
7 |
| Fastcap Ultracapacitors LLC | 70 |
7 |
| The Regents of the University of California | 20108 |
6 |
| ASML Netherlands B.V. | 7482 |
6 |
| Applied Graphene Materials UK Limited | 28 |
6 |
| Other owners | 424 |