Patent holdings for IPC class C01G 49/02

Total number of patents in this class: 497

10-year publication summary

33
48
50
27
16
31
26
31
43
23
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
HHeLi, LLC
76
16
Nippon Soda Co., Ltd.
882
14
The Brigham and Women's Hospital, Inc.
2290
13
Uop LLC
4388
12
M. Technique Co., Ltd.
252
11
The Regents of the University of California
20790
7
ZTI Biosciences Co., Ltd.
16
7
LG Chem, Ltd.
17937
6
Guangdong Brunp Recycling Technology Co., Ltd
1268
6
Hunan Brunp Recycling Technology Co., Ltd.
1226
6
Takahashi Metal Industries Co., Ltd.
7
6
Beijing Haixin Energy Technology Co., Ltd.
26
6
Evonik Degussa GmbH
1367
5
Beijing SJ Environmental Protection and New Material Co., Ltd.
6
5
Lanxess Deutschland GmbH
1143
5
Toda Kogyo Corporation
329
5
FUJIFILM Corporation
30543
4
Cerion, LLC
34
4
Dowa Electronics Materials Co., Ltd.
636
4
Fives FCB
66
4
Other owners 351