- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 67/46 - Dispersions
Patent holdings for IPC class C09B 67/46
Total number of patents in this class: 695
10-year publication summary
66
|
72
|
51
|
59
|
40
|
48
|
37
|
30
|
26
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
140 |
Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 354 |
30 |
DIC Corporation | 3597 |
30 |
Kao Corporation | 4843 |
29 |
Canon Kabushiki Kaisha | 6884 |
23 |
Dai Nippon Printing Co., Ltd. | 3891 |
21 |
Nippon Kayaku Kabushiki Kaisha | 1400 |
21 |
BASF SE | 19740 |
20 |
Toyo Ink SC Holdings Co., Ltd. | 505 |
13 |
Lubrizol Advanced Materials, Inc. | 949 |
12 |
Mitsubishi Chemical Corporation | 4313 |
11 |
DNP Fine Chemicals Co., Ltd. | 162 |
11 |
Toyocolor Co., Ltd. | 156 |
11 |
Clariant International Ltd. | 978 |
10 |
Sumitomo Chemical Company, Limited | 8808 |
9 |
Cabot Corporation | 575 |
9 |
Mitsubishi Pencil Company, Limited | 679 |
9 |
M. Technique Co., Ltd. | 237 |
8 |
Rohm and Haas Company | 2805 |
7 |
Dow Global Technologies LLC | 10147 |
7 |
Other owners | 264 |