- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/184 - Preparation
Patent holdings for IPC class C01B 32/184
Total number of patents in this class: 826
10-year publication summary
|
28
|
70
|
113
|
139
|
115
|
87
|
83
|
94
|
85
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Graphene Group, Inc. | 249 |
21 |
| William Marsh Rice University | 971 |
18 |
| The Regents of the University of California | 19479 |
17 |
| ArcelorMittal | 2047 |
17 |
| Carbon Holdings Intellectual Properties, LLC | 49 |
16 |
| C2cnt LLC | 86 |
13 |
| Zhejiang University | 2921 |
10 |
| H Quest Vanguard, Inc. | 20 |
10 |
| Lyten, Inc. | 283 |
9 |
| Nanotek Instruments, Inc. | 162 |
9 |
| Hangzhou Gaoxi Technology Co., Ltd. | 30 |
9 |
| Texas Instruments Incorporated | 19403 |
7 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 80 |
7 |
| Paragraf Limited | 75 |
7 |
| Center for Advanced Meta-Materials | 133 |
7 |
| Honeycomb Battery Company | 378 |
7 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 322 |
6 |
| Ntherma Corporation | 20 |
6 |
| Raymor Industries Inc. | 14 |
6 |
| Universal Matter Inc. | 17 |
6 |
| Other owners | 618 |