- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 47/24 - Obtaining compounds having —COOH or —SO3H radicals, or derivatives thereof, directly bound to the phthalocyanine radical
Patent holdings for IPC class C09B 47/24
Total number of patents in this class: 50
10-year publication summary
|
1
|
2
|
0
|
3
|
3
|
8
|
4
|
0
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
7 |
| DIC Corporation | 3597 |
5 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 354 |
3 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
3 |
| Seiko Epson Corporation | 18724 |
2 |
| Silverbrook Research Pty Ltd | 172 |
2 |
| FUJIFILM Imaging Colorants Limited | 233 |
2 |
| Sun Chemical Corporation | 865 |
2 |
| Toyo Ink SC Holdings Co., Ltd. | 505 |
2 |
| Canon Inc. | 36841 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Sumitomo Chemical Company, Limited | 8808 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Ciba Specialty Chemicals Holding Inc. | 211 |
1 |
| Covestro Deutschland AG | 2429 |
1 |
| Cryscade Solar Limited | 5 |
1 |
| Dalian University of Technology | 1387 |
1 |
| Dexerials Corporation | 1826 |
1 |
| e Ink Corporation | 1411 |
1 |
| Other owners | 8 |