- 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: 750
10-year publication summary
|
13
|
42
|
52
|
63
|
70
|
66
|
63
|
100
|
62
|
71
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C2cnt LLC | 89 |
32 |
| Nabors Energy Transition Solutions LLC | 72 |
32 |
| Daicel Corporation | 2376 |
17 |
| Quantum Elements Development, Inc. | 19 |
12 |
| Kureha Corporation | 1033 |
9 |
| King Fahd University of Petroleum and Minerals | 1272 |
8 |
| Toray Industries, Inc. | 6978 |
7 |
| Monolith Materials, Inc. | 124 |
7 |
| Phillips 66 Company | 1054 |
7 |
| Saudi Arabian Oil Company | 13372 |
7 |
| University of Houston System | 1095 |
7 |
| National University of Singapore | 2473 |
6 |
| Carbonova Corp. | 8 |
6 |
| NEC Corporation | 36003 |
5 |
| Massachusetts Institute of Technology | 10110 |
5 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
5 |
| Carbonx B.V. | 14 |
5 |
| Zeon Corporation | 4082 |
5 |
| Nissan Chemical Corporation | 2057 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
4 |
| Other owners | 559 |