Patent holdings for IPC class C01B 32/18

Total number of patents in this class: 223

10-year publication summary

24
15
20
36
23
25
39
9
20
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NEC Corporation
37563
29
C2cnt LLC
85
21
Integrated Graphene Holding Limited
23
12
Massachusetts Institute of Technology
10324
7
Toray Industries, Inc.
7167
6
Nabors Energy Transition Solutions LLC
71
6
Graphene Technologies, Inc.
9
5
Kunming University of Science and Technology
248
5
National University of Singapore
2617
5
Lyten, Inc.
365
4
National Institute of Technology
110
4
H Quest Vanguard, Inc.
25
4
National University Corporation Tokai National Higher Education and Research System
909
4
Fuelgems, Inc.
4
4
Sumitomo Chemical Company, Limited
8995
3
Kolon Industries, Inc.
1863
3
William Marsh Rice University
1084
3
Structured Nano Carbon LLC
5
3
Dickinson Corporation
21
3
Sumitomo Electric Industries, Ltd.
16419
2
Other owners 90