- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 1/22 - Dyes with unsubstituted amino groups
Patent holdings for IPC class C09B 1/22
Total number of patents in this class: 18
10-year publication summary
|
1
|
1
|
1
|
0
|
0
|
3
|
3
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29458 |
6 |
| Nippon Kayaku Kabushiki Kaisha | 1438 |
3 |
| Rolic AG | 71 |
2 |
| Canon Inc. | 40165 |
1 |
| Toray Industries, Inc. | 6950 |
1 |
| Dalian University of Technology | 1521 |
1 |
| Sekisui Chemical Co., Ltd. | 3436 |
1 |
| Toyo Ink Mfg. Co., Ltd. | 72 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
1 |
| Toyocolor Co., Ltd. | 221 |
1 |
| Other owners | 0 |