Patent holdings for IPC class C01G 49/02

Total number of patents in this class: 459

10-year publication summary

24
33
48
50
27
16
31
25
26
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Soda Co., Ltd.
885
14
HHeLi, LLC
67
14
Uop LLC
4188
12
M. Technique Co., Ltd.
243
11
The Brigham and Women's Hospital, Inc.
2130
10
Takahashi Metal Industries Co., Ltd.
11
8
The Regents of the University of California
19503
7
LG Chem, Ltd.
17637
6
Guangdong Brunp Recycling Technology Co., Ltd
972
6
Hunan Brunp Recycling Technology Co., Ltd.
936
6
Lanxess Deutschland GmbH
1118
6
ZTI Biosciences Co., Ltd.
14
6
Beijing Haixin Energy Technology Co., Ltd.
26
6
Evonik Degussa GmbH
1557
5
Beijing SJ Environmental Protection and New Material Co., Ltd.
6
5
Toda Kogyo Corporation
341
5
FUJIFILM Corporation
28555
4
Cerion, LLC
36
4
Dowa Electronics Materials Co., Ltd.
621
4
Nanobacterie
16
4
Other owners 316