- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/46 - Dispersions
Patent holdings for IPC class C09B 67/46
Total number of patents in this class: 705
10-year publication summary
|
72
|
51
|
59
|
40
|
49
|
37
|
31
|
27
|
22
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29228 |
140 |
| DIC Corporation | 3750 |
31 |
| Kao Corporation | 4943 |
29 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 369 |
29 |
| Dai Nippon Printing Co., Ltd. | 4061 |
21 |
| Nippon Kayaku Kabushiki Kaisha | 1432 |
21 |
| BASF SE | 20777 |
19 |
| Canon Kabushiki Kaisha | 7042 |
18 |
| Toyo Ink SC Holdings Co., Ltd. | 477 |
13 |
| Lubrizol Advanced Materials, Inc. | 951 |
12 |
| DNP Fine Chemicals Co., Ltd. | 176 |
11 |
| Toyocolor Co., Ltd. | 205 |
11 |
| Sumitomo Chemical Company, Limited | 9009 |
10 |
| Mitsubishi Chemical Corporation | 4485 |
10 |
| Cabot Corporation | 548 |
10 |
| Clariant International Ltd. | 933 |
10 |
| Mitsubishi Pencil Company, Limited | 753 |
9 |
| M. Technique Co., Ltd. | 247 |
8 |
| Rohm and Haas Company | 2906 |
7 |
| Dow Global Technologies LLC | 10354 |
7 |
| Other owners | 279 |