- All sections
- C - Chemistry; metallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties; preparation 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: 369
10-year publication summary
|
30
|
35
|
27
|
39
|
14
|
18
|
23
|
20
|
21
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 331 |
41 |
| Toyo Aluminium Kabushiki Kaisha | 357 |
20 |
| Viavi Solutions Inc. | 1363 |
18 |
| Dowa Electronics Materials Co., Ltd. | 610 |
15 |
| Alpha Assembly Solutions Inc. | 189 |
6 |
| Asahi Kasei Chemicals Corporation | 809 |
6 |
| Nippon Paint Holdings Co., Ltd. | 75 |
6 |
| Sun Chemical Corporation | 865 |
6 |
| Merck Patent GmbH | 5909 |
5 |
| DIC Corporation | 3597 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
5 |
| BASF SE | 19740 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
4 |
| Landa Labs (2012) Ltd. | 131 |
4 |
| Oike & Co., Ltd. | 51 |
4 |
| Giesecke+Devrient Currency Technology GmbH | 817 |
4 |
| BASF Corporation | 2039 |
3 |
| Seiko Epson Corporation | 18724 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Other owners | 204 |