- 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: 435
10-year publication summary
|
20
|
39
|
54
|
72
|
38
|
35
|
42
|
49
|
36
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C2cnt LLC | 88 |
29 |
| Zeon Corporation | 4080 |
17 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
14 |
| Tsinghua University | 5907 |
14 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
11 |
| LG Chem, Ltd. | 17615 |
10 |
| Massachusetts Institute of Technology | 10041 |
10 |
| Honda Motor Co., Ltd. | 25192 |
8 |
| Sumitomo Electric Industries, Ltd. | 15443 |
8 |
| Lintec of America, Inc. | 156 |
8 |
| University of Tsukuba | 612 |
7 |
| Meijo Nano Carbon Co., Ltd. | 30 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
5 |
| Molecular Rebar Design, LLC | 75 |
5 |
| Nanocomp Technologies, Inc. | 101 |
5 |
| Imam Abdulrahman Bin Faisal University | 508 |
5 |
| Canatu Oy | 55 |
4 |
| Dowa Thermotech Co., Ltd. | 44 |
4 |
| Hitachi Zosen Corporation | 619 |
4 |
| Luxembourg Institute of Science and Technology (list) | 383 |
4 |
| Other owners | 257 |