Patent holdings for IPC class C01B 32/159

Total number of patents in this class: 279

10-year publication summary

1
8
23
35
50
28
38
26
31
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Zeon Corporation
4076
28
NEC Corporation
35471
12
National Research Council of Canada
1548
12
National Institute of Advanced Industrial Science and Technology
3792
9
Kao Corporation
4952
7
Advanced Material Development Limited
20
6
Honda Motor Co., Ltd.
25150
5
FUJIFILM Corporation
29273
5
Toray Industries, Inc.
6918
4
Lintec of America, Inc.
157
4
Meijo Nano Carbon Co., Ltd.
29
4
Nano-C, Inc.
72
4
Tohoku University
2766
4
LG Chem, Ltd.
17581
3
Hon Hai Precision Industry Co., Ltd.
4040
3
Wisconsin Alumni Research Foundation
3868
3
Tsinghua University
5855
3
Mitsui Chemicals, Inc.
3214
3
Duke University
3063
3
Dalian University of Technology
1511
3
Other owners 154