- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 47/04 - Phthalocyanines
Patent holdings for IPC class C09B 47/04
Total number of patents in this class: 270
10-year publication summary
|
13
|
23
|
18
|
10
|
19
|
19
|
18
|
13
|
16
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29437 |
41 |
| DIC Corporation | 3801 |
13 |
| Hewlett-Packard Development Company, L.P. | 25864 |
9 |
| Canon Inc. | 40095 |
8 |
| BASF SE | 20940 |
7 |
| Silverbrook Research Pty Ltd | 128 |
7 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
7 |
| Sumitomo Chemical Company, Limited | 9043 |
6 |
| Imam Abdulrahman Bin Faisal University | 527 |
6 |
| Mitsubishi Chemical Corporation | 4525 |
5 |
| DNP Fine Chemicals Co., Ltd. | 178 |
5 |
| Toyocolor Co., Ltd. | 220 |
5 |
| Samsung SDI Co., Ltd. | 8385 |
4 |
| Canon Kabushiki Kaisha | 7067 |
4 |
| Eyesafe Inc. | 34 |
4 |
| Samsung Display Co., Ltd. | 34907 |
3 |
| Toray Industries, Inc. | 6950 |
3 |
| JSR Corporation | 2527 |
3 |
| Howard Hughes Medical Institute | 229 |
3 |
| Novaled GmbH | 445 |
3 |
| Other owners | 124 |