- 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: 692
10-year publication summary
|
70
|
88
|
107
|
62
|
70
|
50
|
54
|
41
|
52
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4125 |
29 |
| LG Chem, Ltd. | 17745 |
25 |
| Lintec of America, Inc. | 159 |
24 |
| Tsinghua University | 6071 |
19 |
| Hon Hai Precision Industry Co., Ltd. | 4005 |
18 |
| Nitto Denko Corporation | 8411 |
14 |
| Hitachi Zosen Corporation | 613 |
12 |
| Molecular Rebar Design, LLC | 78 |
12 |
| The Furukawa Electric Co., Ltd. | 3711 |
11 |
| C2cnt LLC | 91 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 63 |
11 |
| NEC Corporation | 36464 |
10 |
| LG Energy Solution, Ltd. | 16802 |
10 |
| Nanocomp Technologies, Inc. | 91 |
9 |
| International Business Machines Corporation | 61969 |
8 |
| Lintec Corporation | 1991 |
8 |
| Massachusetts Institute of Technology | 10183 |
7 |
| ASML Netherlands B.V. | 7673 |
7 |
| Fastcap Ultracapacitors LLC | 70 |
7 |
| The Regents of the University of California | 20410 |
6 |
| Other owners | 434 |