- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/64 - Aluminium
Patent holdings for IPC class C09C 1/64
Total number of patents in this class: 257
10-year publication summary
|
21
|
24
|
15
|
19
|
22
|
16
|
14
|
14
|
6
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 311 |
56 |
| Toyo Aluminium Kabushiki Kaisha | 349 |
26 |
| Viavi Solutions Inc. | 1534 |
14 |
| Schlenk Metallic Pigments GmbH | 45 |
11 |
| Asahi Kasei Kabushiki Kaisha | 2828 |
9 |
| Sun Chemical Corporation | 817 |
8 |
| Seiko Epson Corporation | 20227 |
7 |
| BASF Coatings GmbH | 1181 |
7 |
| DIC Corporation | 3959 |
6 |
| BASF SE | 21313 |
5 |
| ECKART America Corporation | 32 |
5 |
| Sun Chemical B.V. | 390 |
4 |
| TIGER Coatings GmbH & Co. KG | 126 |
4 |
| Merck Patent GmbH | 5725 |
3 |
| Asahi Kasei Chemicals Corporation | 558 |
3 |
| Cqv Co., Ltd. | 72 |
3 |
| Ishihara Sangyo Kaisha, Ltd. | 659 |
3 |
| Toyota Motor Corporation | 35578 |
2 |
| Centre National de La Recherche Scientifique | 11010 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2856 |
2 |
| Other owners | 77 |