- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 29/46 - 1,2-Diazoles or hydrogenated 1,2-diazoles
Patent holdings for IPC class C09B 29/46
Total number of patents in this class: 14
10-year publication summary
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1
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1
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0
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1
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0
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2
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1
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0
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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 |
6 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| Sumitomo Chemical Company, Limited | 8808 |
1 |
| Dalian University of Technology | 1387 |
1 |
| DyStar Colours Distribution GmbH | 172 |
1 |
| Kuraray Noritake Dental Inc. | 374 |
1 |
| Bioacts Corporation | 9 |
1 |
| Other owners | 0 |