- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- 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: 13
10-year publication summary
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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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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30774 |
6 |
| Seiko Epson Corporation | 20528 |
1 |
| Sumitomo Chemical Company, Limited | 8989 |
1 |
| Dalian University of Technology | 1608 |
1 |
| DyStar Colours Distribution GmbH | 161 |
1 |
| Kuraray Noritake Dental Inc. | 472 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1474 |
1 |
| Bioacts Corporation | 10 |
1 |
| Other owners | 0 |