- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 3/14 - Perylene derivatives
Patent holdings for IPC class C09B 3/14
Total number of patents in this class: 71
10-year publication summary
|
6
|
7
|
5
|
8
|
8
|
6
|
1
|
3
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Group Corporation | 13918 |
9 |
| Sony Corporation | 31025 |
7 |
| Idemitsu Kosan Co., Ltd. | 4224 |
5 |
| FUJIFILM Corporation | 29437 |
4 |
| Nitto Denko Corporation | 8253 |
4 |
| Sony Corporation of America | 362 |
3 |
| Merck Patent GmbH | 5815 |
3 |
| Howard Hughes Medical Institute | 229 |
3 |
| Samsung Display Co., Ltd. | 34907 |
2 |
| Canon Inc. | 40095 |
2 |
| Choshu Industry Co., Ltd. | 33 |
2 |
| DIC Corporation | 3801 |
2 |
| LG Chem, Ltd. | 17635 |
1 |
| Hewlett-Packard Development Company, L.P. | 25864 |
1 |
| Sumitomo Chemical Company, Limited | 9043 |
1 |
| Amazon Technologies, Inc. | 26762 |
1 |
| PRC-DeSoto International, Inc. | 573 |
1 |
| Toray Industries, Inc. | 6950 |
1 |
| The Trustees of Columbia University in the City of New York | 3577 |
1 |
| Capacitor Sciences Incorporated | 58 |
1 |
| Other owners | 17 |