Patent holdings for IPC class C01G 49/02

Total number of patents in this class: 465

10-year publication summary

24
33
48
50
27
16
31
26
30
18
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Soda Co., Ltd.
893
14
HHeLi, LLC
68
14
Uop LLC
4240
12
The Brigham and Women's Hospital, Inc.
2177
12
M. Technique Co., Ltd.
247
11
The Regents of the University of California
19859
7
Lanxess Deutschland GmbH
1126
7
Takahashi Metal Industries Co., Ltd.
10
7
LG Chem, Ltd.
17581
6
Guangdong Brunp Recycling Technology Co., Ltd
1202
6
Hunan Brunp Recycling Technology Co., Ltd.
1170
6
ZTI Biosciences Co., Ltd.
15
6
Beijing Haixin Energy Technology Co., Ltd.
26
6
Evonik Degussa GmbH
1537
5
Beijing SJ Environmental Protection and New Material Co., Ltd.
6
5
Toda Kogyo Corporation
340
5
FUJIFILM Corporation
29273
4
Cerion, LLC
34
4
Dowa Electronics Materials Co., Ltd.
631
4
Kronos International, Inc.
109
4
Other owners 320