- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 3/00 - Compounds of copper
Patent holdings for IPC class C01G 3/00
Total number of patents in this class: 356
10-year publication summary
|
29
|
23
|
20
|
9
|
21
|
20
|
15
|
13
|
11
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2954 |
18 |
| The Furukawa Electric Co., Ltd. | 3704 |
15 |
| International Superconductivity Technology Center, The Juridical Foundation | 40 |
15 |
| Sumitomo Electric Industries, Ltd. | 15647 |
13 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
12 |
| Curium US LLC | 161 |
12 |
| Swcc Showa Cable Systems Co., Ltd. | 70 |
9 |
| Korea Research Institute of Chemical Technology | 1401 |
5 |
| BASF SE | 21017 |
4 |
| LG Chem, Ltd. | 17676 |
4 |
| Dongjiang Environmental Co., Ltd. | 21 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
4 |
| Sherritt International Corporation | 30 |
4 |
| Murata Manufacturing Co., Ltd. | 24813 |
3 |
| Aqua Resources Corporation | 10 |
3 |
| Chemische Fabrik Budenheim KG | 215 |
3 |
| The Governing Council of The University of Toronto, | 1487 |
3 |
| The Japan Steel Works, Ltd. | 747 |
3 |
| JX Nippon Mining & Metals Corporation | 1485 |
3 |
| Lanxess Deutschland GmbH | 1110 |
3 |
| Other owners | 216 |