- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 48/00 - Quinacridones
Patent holdings for IPC class C09B 48/00
Total number of patents in this class: 107
10-year publication summary
|
6
|
15
|
7
|
9
|
9
|
10
|
5
|
4
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3854 |
22 |
| FUJIFILM Corporation | 29839 |
9 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 373 |
8 |
| e Ink Corporation | 1524 |
8 |
| Sony Semiconductor Solutions Corporation | 10843 |
7 |
| Hewlett-Packard Development Company, L.P. | 25577 |
6 |
| Xerox Corporation | 6919 |
5 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
5 |
| Eastman Kodak Company | 2795 |
4 |
| Sun Chemical Corporation | 830 |
4 |
| Toyocolor Co., Ltd. | 228 |
4 |
| Canon Inc. | 41151 |
2 |
| Kao Corporation | 5006 |
2 |
| Kyocera Document Solutions Inc. | 5828 |
2 |
| M. Technique Co., Ltd. | 250 |
2 |
| Pigments Services, Inc. | 12 |
2 |
| BASF SE | 21098 |
1 |
| Ricoh Company, Ltd. | 13368 |
1 |
| Toray Industries, Inc. | 7015 |
1 |
| Cabot Corporation | 555 |
1 |
| Other owners | 11 |