- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 5/62 - Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
Patent holdings for IPC class C09B 5/62
Total number of patents in this class: 148
10-year publication summary
|
13
|
15
|
7
|
12
|
17
|
6
|
7
|
6
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20432 |
23 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1744 |
8 |
| Sony Corporation | 31541 |
7 |
| FUJIFILM Corporation | 28805 |
6 |
| Sumitomo Chemical Company, Limited | 8988 |
5 |
| UTi Limited Partnership | 442 |
5 |
| Konica Minolta, Inc. | 8535 |
3 |
| Capacitor Sciences Incorporated | 60 |
3 |
| Sun Chemical B.V. | 361 |
3 |
| BASF (China) Co., Ltd. | 807 |
3 |
| Lleaf Pty Ltd | 4 |
3 |
| Sony Corporation of America | 345 |
2 |
| Merck Patent GmbH | 5842 |
2 |
| Panasonic Corporation | 20315 |
2 |
| BASF AG | 750 |
2 |
| Amazon Technologies, Inc. | 25909 |
2 |
| Toray Industries, Inc. | 6855 |
2 |
| The Trustees of Columbia University in the City of New York | 3524 |
2 |
| Council of Scientific and Industrial Research | 608 |
2 |
| Cryscade Solar Limited | 5 |
2 |
| Other owners | 61 |