- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 57/04 - Isoindoline dyes
Patent holdings for IPC class C09B 57/04
Total number of patents in this class: 73
10-year publication summary
|
4
|
2
|
2
|
5
|
6
|
11
|
12
|
7
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29437 |
34 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
8 |
| Toyocolor Co., Ltd. | 220 |
7 |
| Sumitomo Chemical Company, Limited | 9043 |
4 |
| DIC Corporation | 3801 |
2 |
| Toyo Ink Co., Ltd. | 110 |
2 |
| Canon Kabushiki Kaisha | 7067 |
2 |
| Artience Co., Ltd. | 254 |
2 |
| BASF SE | 20940 |
1 |
| LG Chem, Ltd. | 17635 |
1 |
| Toray Industries, Inc. | 6950 |
1 |
| Mitsubishi Chemical Corporation | 4525 |
1 |
| JSR Corporation | 2527 |
1 |
| BASF Colors & Effects GmbH, a legal entity | 10 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 371 |
1 |
| DNP Fine Chemicals Co., Ltd. | 178 |
1 |
| Sekisui Chemical Co., Ltd. | 3433 |
1 |
| Sudarshan Chemical Industries Limited | 28 |
1 |
| Sun Chemical B.V. | 363 |
1 |
| BASF SE | 105 |
1 |
| Other owners | 0 |