- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/184 - Preparation
Patent holdings for IPC class C01B 32/184
Total number of patents in this class: 932
10-year publication summary
|
70
|
112
|
139
|
115
|
87
|
84
|
95
|
94
|
82
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| William Marsh Rice University | 1059 |
23 |
| Global Graphene Group, Inc. | 248 |
21 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
18 |
| The Regents of the University of California | 20587 |
17 |
| ArcelorMittal | 2554 |
17 |
| C2cnt LLC | 88 |
15 |
| Zhejiang University | 3372 |
11 |
| H Quest Vanguard, Inc. | 25 |
11 |
| Universal Matter Inc. | 23 |
11 |
| Lyten, Inc. | 346 |
10 |
| Nanotek Instruments, Inc. | 160 |
9 |
| Hangzhou Gaoxi Technology Co., Ltd. | 31 |
9 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 375 |
8 |
| Honeycomb Battery Company | 401 |
8 |
| Texas Instruments Incorporated | 19628 |
7 |
| Paragraf Limited | 86 |
7 |
| Center for Advanced Meta-Materials | 149 |
7 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 79 |
6 |
| Levidian Nanosystems Limited | 30 |
6 |
| Bio Graphene Solutions Inc. | 7 |
6 |
| Other owners | 705 |