Patent holdings for IPC class C01B 32/16

Total number of patents in this class: 502

10-year publication summary

39
54
72
38
36
42
51
37
38
46
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
C2cnt LLC
85
31
Sumitomo Chemical Company, Limited
8992
18
Zeon Corporation
4183
17
Hon Hai Precision Industry Co., Ltd.
4019
14
Tsinghua University
6260
14
Carbon Holdings Intellectual Properties, LLC
68
12
LG Chem, Ltd.
17986
11
Massachusetts Institute of Technology
10322
11
Sumitomo Electric Industries, Ltd.
16437
10
Honda Motor Co., Ltd.
26657
8
Lintec of America, Inc.
162
8
Meijo Nano Carbon Co., Ltd.
38
8
University of Tsukuba
640
8
Dowa Thermotech Co., Ltd.
56
7
Commissariat à l'énergie atomique et aux energies alternatives
11137
5
Luxembourg Institute of Science and Technology (list)
406
5
Molecular Rebar Design, LLC
79
5
Osaka Soda Co., Ltd.
248
5
Imam Abdulrahman Bin Faisal University
638
5
Chasm Advanced Materials, Inc.
33
5
Other owners 295