- 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: 769
10-year publication summary
|
76
|
91
|
112
|
71
|
73
|
55
|
61
|
42
|
55
|
82
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 18010 |
33 |
| Zeon Corporation | 4181 |
31 |
| Sumitomo Chemical Company, Limited | 9002 |
30 |
| Lintec of America, Inc. | 162 |
24 |
| Tsinghua University | 6278 |
18 |
| Hon Hai Precision Industry Co., Ltd. | 4016 |
17 |
| Nitto Denko Corporation | 8654 |
14 |
| Hitachi Zosen Corporation | 584 |
12 |
| Molecular Rebar Design, LLC | 79 |
12 |
| LG Energy Solution, Ltd. | 20012 |
12 |
| The Furukawa Electric Co., Ltd. | 3728 |
11 |
| C2cnt LLC | 85 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 67 |
11 |
| NEC Corporation | 37636 |
10 |
| International Business Machines Corporation | 62935 |
8 |
| Massachusetts Institute of Technology | 10339 |
8 |
| Lintec Corporation | 2040 |
8 |
| Chasm Advanced Materials, Inc. | 35 |
8 |
| Fastcap Ultracapacitors LLC | 72 |
7 |
| Huntsman Nanocomp LLC | 56 |
7 |
| Other owners | 477 |