- 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: 363
10-year publication summary
|
26
|
36
|
14
|
18
|
22
|
20
|
21
|
18
|
6
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 311 |
40 |
| Viavi Solutions Inc. | 1501 |
18 |
| Toyo Aluminium Kabushiki Kaisha | 345 |
17 |
| Dowa Electronics Materials Co., Ltd. | 636 |
16 |
| Sun Chemical Corporation | 828 |
8 |
| Alpha Assembly Solutions Inc. | 208 |
6 |
| Asahi Kasei Chemicals Corporation | 577 |
6 |
| Nippon Paint Holdings Co., Ltd. | 72 |
6 |
| DIC Corporation | 3899 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1926 |
5 |
| BASF SE | 21127 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2772 |
4 |
| Oike & Co., Ltd. | 51 |
4 |
| Giesecke+Devrient Currency Technology GmbH | 930 |
4 |
| Toyota Motor Corporation | 34387 |
3 |
| Merck Patent GmbH | 5716 |
3 |
| BASF Corporation | 1689 |
3 |
| Seiko Epson Corporation | 19982 |
3 |
| FUJIFILM Corporation | 30206 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5918 |
3 |
| Other owners | 202 |