Patent holdings for IPC class C01B 32/184

Total number of patents in this class: 946

10-year publication summary

70
112
139
115
87
84
95
94
82
45
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
William Marsh Rice University
1070
23
Global Graphene Group, Inc.
248
21
Carbon Holdings Intellectual Properties, LLC
68
18
The Regents of the University of California
20778
17
ArcelorMittal
2680
17
C2cnt LLC
86
15
Zhejiang University
3448
11
H Quest Vanguard, Inc.
25
11
Universal Matter Inc.
23
11
Honeycomb Battery Company
407
11
Lyten, Inc.
355
10
Nanotek Instruments, Inc.
160
9
Hangzhou Gaoxi Technology Co., Ltd.
31
9
B.G. Negev Technologies and Applications Ltd., at Ben-gurion University
381
8
Texas Instruments Incorporated
19653
7
Paragraf Limited
90
7
Center for Advanced Meta-Materials
151
7
Jinan Shengquan Group Share-Holding Co., Ltd.
77
6
Levidian Nanosystems Limited
30
6
Bio Graphene Solutions Inc.
7
6
Other owners 716