- 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: 278
10-year publication summary
|
13
|
23
|
18
|
10
|
19
|
19
|
18
|
13
|
16
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 28829 |
41 |
| DIC Corporation | 3677 |
13 |
| Hewlett-Packard Development Company, L.P. | 27447 |
12 |
| Silverbrook Research Pty Ltd | 141 |
10 |
| Canon Inc. | 38240 |
8 |
| BASF SE | 20421 |
7 |
| Toyo Ink SC Holdings Co., Ltd. | 489 |
7 |
| Sumitomo Chemical Company, Limited | 8987 |
6 |
| Imam Abdulrahman Bin Faisal University | 475 |
6 |
| Mitsubishi Chemical Corporation | 4453 |
5 |
| Toyocolor Co., Ltd. | 183 |
5 |
| Samsung SDI Co., Ltd. | 7386 |
4 |
| DNP Fine Chemicals Co., Ltd. | 173 |
4 |
| Canon Kabushiki Kaisha | 6954 |
4 |
| Eyesafe Inc. | 33 |
4 |
| Samsung Display Co., Ltd. | 32868 |
3 |
| Toray Industries, Inc. | 6857 |
3 |
| JSR Corporation | 2475 |
3 |
| Howard Hughes Medical Institute | 208 |
3 |
| Nano CMS Co., Ltd. | 19 |
3 |
| Other owners | 127 |