- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/15 - Nanosized carbon materials
Patent holdings for IPC class C01B 32/15
Total number of patents in this class: 799
10-year publication summary
|
56
|
56
|
67
|
88
|
75
|
72
|
125
|
69
|
88
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C2cnt LLC | 85 |
30 |
| Nabors Energy Transition Solutions LLC | 71 |
29 |
| Daicel Corporation | 2603 |
15 |
| Quantum Elements Development, Inc. | 18 |
11 |
| Kureha Corporation | 1096 |
10 |
| King Fahd University of Petroleum and Minerals | 1609 |
9 |
| Saudi Arabian Oil Company | 14416 |
8 |
| Massachusetts Institute of Technology | 10324 |
7 |
| Monolith Materials, Inc. | 126 |
7 |
| Phillips 66 Company | 1015 |
7 |
| University of Houston System | 1140 |
7 |
| Resonac Corporation | 3781 |
7 |
| Toray Industries, Inc. | 7167 |
6 |
| National University of Singapore | 2617 |
6 |
| Carbonova Corp. | 9 |
6 |
| NEC Corporation | 37563 |
5 |
| Zeon Corporation | 4182 |
5 |
| Nissan Chemical Corporation | 2310 |
5 |
| Prometheon Technologies BV | 9 |
5 |
| Carbonx B.V. | 12 |
4 |
| Other owners | 610 |