- 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: 764
10-year publication summary
|
13
|
28
|
70
|
113
|
139
|
115
|
86
|
81
|
94
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Graphene Group, Inc. | 246 |
21 |
| William Marsh Rice University | 937 |
19 |
| ArcelorMittal | 1887 |
17 |
| Carbon Holdings Intellectual Properties, LLC | 41 |
16 |
| The Regents of the University of California | 18943 |
15 |
| C2cnt LLC | 79 |
11 |
| Zhejiang University | 2619 |
10 |
| H Quest Vanguard, Inc. | 20 |
10 |
| Nanotek Instruments, Inc. | 162 |
9 |
| Hangzhou Gaoxi Technology Co., Ltd. | 30 |
9 |
| Lyten, Inc. | 238 |
8 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 291 |
7 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 79 |
7 |
| Paragraf Limited | 62 |
7 |
| Center for Advanced Meta-Materials | 117 |
7 |
| Honeycomb Battery Company | 359 |
7 |
| Texas Instruments Incorporated | 19376 |
6 |
| Ntherma Corporation | 19 |
6 |
| West Virginia University Research Corporation | 21 |
6 |
| Raymor Industries Inc. | 13 |
6 |
| Other owners | 560 |