- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/62 - Metallic pigments or fillers
Patent holdings for IPC class C09C 1/62
Total number of patents in this class: 364
10-year publication summary
|
33
|
26
|
36
|
14
|
18
|
22
|
20
|
21
|
18
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 318 |
40 |
| Toyo Aluminium Kabushiki Kaisha | 347 |
20 |
| Viavi Solutions Inc. | 1459 |
18 |
| Dowa Electronics Materials Co., Ltd. | 634 |
16 |
| Sun Chemical Corporation | 835 |
7 |
| Alpha Assembly Solutions Inc. | 203 |
6 |
| Asahi Kasei Chemicals Corporation | 645 |
6 |
| Nippon Paint Holdings Co., Ltd. | 73 |
6 |
| DIC Corporation | 3827 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1795 |
5 |
| BASF SE | 21071 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2711 |
4 |
| Landa Labs (2012) Ltd. | 135 |
4 |
| Oike & Co., Ltd. | 51 |
4 |
| Giesecke+Devrient Currency Technology GmbH | 907 |
4 |
| Toyota Motor Corporation | 33183 |
3 |
| Merck Patent GmbH | 5770 |
3 |
| BASF Corporation | 1720 |
3 |
| Seiko Epson Corporation | 19686 |
3 |
| FUJIFILM Corporation | 29728 |
3 |
| Other owners | 200 |