- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/20 - Preparations of organic pigments
Patent holdings for IPC class C09B 67/20
Total number of patents in this class: 1260
10-year publication summary
|
46
|
59
|
59
|
80
|
77
|
98
|
104
|
72
|
57
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30514 |
368 |
| DIC Corporation | 3962 |
123 |
| Nippon Kayaku Kabushiki Kaisha | 1454 |
52 |
| Sumitomo Chemical Company, Limited | 9016 |
47 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 375 |
33 |
| Toyo Ink SC Holdings Co., Ltd. | 462 |
31 |
| Canon Kabushiki Kaisha | 7314 |
28 |
| Mitsubishi Chemical Corporation | 4724 |
27 |
| DNP Fine Chemicals Co., Ltd. | 183 |
25 |
| Kao Corporation | 5076 |
24 |
| Toyocolor Co., Ltd. | 252 |
24 |
| Dai Nippon Printing Co., Ltd. | 4238 |
20 |
| M. Technique Co., Ltd. | 252 |
16 |
| Adeka Corporation | 1377 |
12 |
| Samsung SDI Co., Ltd. | 10589 |
10 |
| Toray Industries, Inc. | 7113 |
10 |
| Sun Chemical Corporation | 815 |
9 |
| Agc, Inc. | 5524 |
9 |
| JSR Corporation | 2554 |
8 |
| Genesee Valley Innovations, LLC | 2187 |
8 |
| Other owners | 376 |