- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 47/30 - Metal-free phthalocyanines
Patent holdings for IPC class C09B 47/30
Total number of patents in this class: 30
10-year publication summary
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0
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0
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0
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3
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4
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3
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4
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4
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29295 |
6 |
| Silverbrook Research Pty Ltd | 134 |
3 |
| Xerox Corporation | 7021 |
2 |
| Rakuten Medical, Inc. | 64 |
2 |
| NIRvana Sciences Inc. | 24 |
2 |
| LG Display Co., Ltd. | 13389 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
1 |
| Kyocera Document Solutions Inc. | 5544 |
1 |
| Albert-ludwigs-universitat Freiburg | 395 |
1 |
| Covestro Deutschland AG | 2744 |
1 |
| FUJIFILM Imaging Colorants Limited | 218 |
1 |
| Laboratoires Synth-innove | 4 |
1 |
| Savid Therapeutics Inc. | 17 |
1 |
| Sun Chemical Corporation | 837 |
1 |
| Taiwan Textile Research Institute | 152 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 477 |
1 |
| The University of Tokyo | 4168 |
1 |
| Viavi Solutions Inc. | 1430 |
1 |
| FUJIFILM Business Innovation Corp. | 7580 |
1 |
| Complecure, Inc. | 11 |
1 |
| Other owners | 0 |