- 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: 137
10-year publication summary
|
5
|
5
|
8
|
5
|
7
|
7
|
9
|
12
|
25
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangdong Brunp Recycling Technology Co., Ltd | 1244 |
20 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1213 |
20 |
| Natron Energy, Inc. | 65 |
12 |
| Sharp Corporation | 10265 |
8 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
5 |
| The University of Tokyo | 4189 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1657 |
3 |
| Lockheed Martin Energy, LLC | 145 |
3 |
| Hunan Brunp EV Recycling Co., Ltd. | 375 |
3 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3621 |
3 |
| Contemporary Amperex Technology Co., Limited | 6745 |
2 |
| Lockheed Martin Advanced Energy Storage, LLC | 23 |
2 |
| National University of Singapore | 2455 |
2 |
| The Walker Cancer Research Institute, Inc. | 10 |
2 |
| Altris AB | 24 |
2 |
| Sharp Kabushiki Kaisha | 18757 |
2 |
| Alveo Energy, Inc. | 8 |
2 |
| HF Scientific, LLC | 14 |
2 |
| Rux Technology Pty Ltd | 2 |
2 |
| Other owners | 35 |