- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 19/02 - Bisoxazines prepared from amino quinones
Patent holdings for IPC class C09B 19/02
Total number of patents in this class: 26
10-year publication summary
|
4
|
0
|
4
|
3
|
3
|
3
|
1
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3801 |
5 |
| FUJIFILM Corporation | 29437 |
4 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
4 |
| Toyocolor Co., Ltd. | 220 |
3 |
| Sumitomo Chemical Company, Limited | 9043 |
1 |
| Toray Industries, Inc. | 6950 |
1 |
| JSR Corporation | 2527 |
1 |
| Clariant Finance (BVI) Limited | 386 |
1 |
| DNP Fine Chemicals Co., Ltd. | 178 |
1 |
| Heidelberger Druckmaschinen AG | 471 |
1 |
| Huntsman Advanced Materials (Switzerland) GmbH | 181 |
1 |
| Toyo Ink Co., Ltd. | 110 |
1 |
| WisTa Laboratories Ltd. | 136 |
1 |
| Heubach Holding Switzerland AG (Ltd) | 2 |
1 |
| Other owners | 0 |