- 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: 27
10-year publication summary
|
0
|
4
|
3
|
3
|
3
|
1
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3982 |
5 |
| FUJIFILM Corporation | 30628 |
4 |
| Toyo Ink SC Holdings Co., Ltd. | 462 |
4 |
| Toyocolor Co., Ltd. | 253 |
3 |
| Sumitomo Chemical Company, Limited | 8969 |
1 |
| Toray Industries, Inc. | 7143 |
1 |
| JSR Corporation | 2551 |
1 |
| Clariant Finance (BVI) Limited | 353 |
1 |
| DNP Fine Chemicals Co., Ltd. | 184 |
1 |
| Heidelberger Druckmaschinen AG | 500 |
1 |
| Toyo Ink Co., Ltd. | 115 |
1 |
| WisTa Laboratories Ltd. | 119 |
1 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 115 |
1 |
| Heubach Holding Switzerland AG (Ltd) | 3 |
1 |
| Gharda Medical and Advanced Technologies Foundation | 19 |
1 |
| Other owners | 0 |