Patent holdings for IPC class C22B 34/34

Total number of patents in this class: 163

10-year publication summary

9
14
6
11
5
14
13
14
4
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Chevron U.S.A. Inc.
3953
8
Freeport Minerals Corporation
107
6
JX Nippon Mining & Metals Corporation
1489
5
Kyushu University, National University Corporation
1654
5
Sumitomo Metal Mining Co., Ltd.
1779
5
ENI S.p.A.
1261
4
UChicago Argonne, LLC
912
4
Kinaltek Pty. Ltd.
7
4
BASF SE
20926
3
National Institute of Advanced Industrial Science and Technology
3805
3
Central South University
436
3
Chevron Phillips Chemical Company LP
1836
3
Cidra Corporate Services, LLC
93
3
Cytec Technology Corp.
276
3
Shibaura Institute of Technology
97
3
AEM Canada Group Inc.
13
3
AB Ferrolegeringar
6
2
Cidra Corporate Services, Inc.
202
2
DIC Corporation
3788
2
Eco'ring
15
2
Other owners 90