- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 45/20 - Monoazo compounds containing cobalt
Patent holdings for IPC class C09B 45/20
Total number of patents in this class: 18
10-year publication summary
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1
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1
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0
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0
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0
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0
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1
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1
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
4 |
| Mitsubishi Kagaku Media Co., Ltd. | 42 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | 83 |
2 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
2 |
| TDK Corporation | 6306 |
1 |
| Lanxess Deutschland GmbH | 1104 |
1 |
| Nissan Chemical Industries, Ltd. | 1822 |
1 |
| Taiyo Yuden Co., Ltd. | 1809 |
1 |
| Videojet Technologies Inc. | 346 |
1 |
| Other owners | 0 |