- 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: 757
10-year publication summary
|
42
|
52
|
63
|
70
|
66
|
63
|
100
|
62
|
85
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nabors Energy Transition Solutions LLC | 72 |
31 |
| C2cnt LLC | 88 |
30 |
| Daicel Corporation | 2452 |
15 |
| Quantum Elements Development, Inc. | 18 |
11 |
| Kureha Corporation | 1047 |
10 |
| King Fahd University of Petroleum and Minerals | 1467 |
8 |
| Massachusetts Institute of Technology | 10192 |
7 |
| Monolith Materials, Inc. | 123 |
7 |
| Phillips 66 Company | 1050 |
7 |
| Saudi Arabian Oil Company | 13940 |
7 |
| University of Houston System | 1116 |
7 |
| Toray Industries, Inc. | 7032 |
6 |
| National University of Singapore | 2551 |
6 |
| Carbonova Corp. | 9 |
6 |
| NEC Corporation | 36566 |
5 |
| Zeon Corporation | 4112 |
5 |
| Nissan Chemical Corporation | 2145 |
5 |
| Carbonx B.V. | 12 |
4 |
| Cornell University | 3378 |
4 |
| Fudan University | 736 |
4 |
| Other owners | 572 |