- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 21/10 - Red lead [Pb3O4]
Patent holdings for IPC class C01G 21/10
Total number of patents in this class: 10
10-year publication summary
|
1
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quantum Science Ltd | 16 |
2 |
| Hitachi Chemical Company, Ltd. | 2229 |
1 |
| Cambridge Enterprise Limited | 1252 |
1 |
| Energy Power Systems, LLC | 6 |
1 |
| Tianneng Battery Group Co., Ltd. | 53 |
1 |
| Anhui Junma Secondary Lead Industry Engineering Research Center | 1 |
1 |
| Jieshou City Junma Industry & Trade Co., Ltd. | 1 |
1 |
| Ever Resource Ltd | 5 |
1 |
| Cirba Solutions US, Inc. | 13 |
1 |
| Other owners | 0 |