- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/348 - Metallic compounds
Patent holdings for IPC class C01B 32/348
Total number of patents in this class: 113
10-year publication summary
|
5
|
6
|
9
|
14
|
9
|
14
|
16
|
14
|
12
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3559 |
6 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1416 |
3 |
| CPC Corporation, Taiwan | 66 |
3 |
| II-VI Delaware, Inc. | 1645 |
3 |
| Kansai Coke and Chemicals Co., Ltd. | 28 |
3 |
| Sekisui Chemical Co., Ltd. | 3528 |
3 |
| Shandong University | 1097 |
3 |
| Tohoku Techno Arch Co., Ltd. | 123 |
3 |
| Tokai Carbon Korea Co., Ltd. | 55 |
3 |
| TPR Co., Ltd. | 165 |
3 |
| China Petroleum & Chemical Corporation | 1997 |
2 |
| Evoqua Water Technologies LLC | 926 |
2 |
| Farad Power, Inc. | 12 |
2 |
| Korea University Research and Business Foundation | 3121 |
2 |
| MC Evolve Technologies Corporation | 8 |
2 |
| National University Corporation Tokai National Higher Education and Research System | 801 |
2 |
| Eco-carbon, LLC | 5 |
2 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 109 |
2 |
| LG Chem, Ltd. | 17737 |
1 |
| The Regents of the University of California | 20378 |
1 |
| Other owners | 62 |