Français Register Login

  • All sections
  • C - Chemistrymetallurgy
  • C01C - Ammoniacyanogencompounds thereof
  • C01C 3/12 - Simple or complex iron cyanides

Patent holdings for IPC class C01C 3/12

Total number of patents in this class: 153

10-year publication summary

5
8
5
7
7
10
12
25
14
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Guangdong Brunp Recycling Technology Co., Ltd
1267
20
Hunan Brunp Recycling Technology Co., Ltd.
1226
20
Natron (assignment for The Benefit of Creditors), LLC
52
9
Sharp Corporation
10556
8
Altris AB
32
7
National Institute of Advanced Industrial Science and Technology
3794
5
Commonwealth Scientific and Industrial Research Organisation
1652
4
The University of Tokyo
4369
4
Natron Energy, Inc.
13
4
Commissariat à l'énergie atomique et aux energies alternatives
11124
3
The Walker Cancer Research Institute, Inc.
11
3
Lockheed Martin Energy, LLC
152
3
Hunan Brunp EV Recycling Co., Ltd.
378
3
Contemporary Amperex Technology (Hong Kong) Limited
4017
3
Contemporary Amperex Technology Co., Limited
10003
2
Lockheed Martin Advanced Energy Storage, LLC
23
2
National University of Singapore
2586
2
Sharp Kabushiki Kaisha
18523
2
Alveo Energy, Inc.
8
2
Hubei Wanrun New Energy Technology Co.,Ltd.
86
2
Other owners 45

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2026 IPQwery All rights reserved