Patent holdings for IPC class C01G 53/54

Total number of patents in this class: 4

10-year publication summary

0
0
0
0
0
1
1
0
0
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsui Mining & Smelting Co., Ltd.
1509
2
Panasonic Intellectual Property Management Co., Ltd.
32219
1
Sumitomo Metal Mining Co., Ltd.
1795
1
Other owners 0