- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/16 - Preparation
Patent holdings for IPC class C01B 32/16
Total number of patents in this class: 499
10-year publication summary
|
39
|
54
|
72
|
38
|
36
|
42
|
51
|
37
|
38
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C2cnt LLC | 86 |
31 |
| Sumitomo Chemical Company, Limited | 8965 |
18 |
| Zeon Corporation | 4173 |
17 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
14 |
| Tsinghua University | 6248 |
14 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
12 |
| LG Chem, Ltd. | 17970 |
11 |
| Massachusetts Institute of Technology | 10305 |
11 |
| Sumitomo Electric Industries, Ltd. | 16368 |
9 |
| Honda Motor Co., Ltd. | 26309 |
8 |
| Lintec of America, Inc. | 161 |
8 |
| Meijo Nano Carbon Co., Ltd. | 37 |
8 |
| University of Tsukuba | 635 |
8 |
| Dowa Thermotech Co., Ltd. | 54 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
5 |
| Luxembourg Institute of Science and Technology (list) | 406 |
5 |
| Molecular Rebar Design, LLC | 79 |
5 |
| Osaka Soda Co., Ltd. | 244 |
5 |
| Imam Abdulrahman Bin Faisal University | 637 |
5 |
| Chasm Advanced Materials, Inc. | 33 |
5 |
| Other owners | 293 |