Patent holdings for IPC class C01B 33/031

Total number of patents in this class: 5

10-year publication summary

1
0
0
0
0
0
0
0
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Dynatec Engineering AS
9
2
Toyota Industries Corporation
1169
1
Corner Star Limited
95
1
Xinjiang Daqo New Energy Co., Ltd
6
1
Other owners 0