- All sections
- C - Chemistrymetallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquersfilling pasteschemical paint or ink removersinkscorrecting fluidswoodstainspastes or solids for colouring or printinguse of materials therefor
- C09D 11/326 - Pigment inks characterised by the pigment dispersant
Patent holdings for IPC class C09D 11/326
Total number of patents in this class: 758
10-year publication summary
|
47
|
70
|
71
|
90
|
51
|
45
|
61
|
40
|
43
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ricoh Company, Ltd. | 13368 |
66 |
| FUJIFILM Corporation | 29839 |
63 |
| Seiko Epson Corporation | 19704 |
51 |
| Hewlett-Packard Development Company, L.P. | 25577 |
49 |
| Kao Corporation | 5006 |
42 |
| DIC Corporation | 3854 |
34 |
| Canon Inc. | 41151 |
23 |
| Riso Kagaku Corporation | 652 |
21 |
| DuPont Electronics, Inc. | 376 |
20 |
| Sakata INX Corp. | 391 |
19 |
| Konica Minolta, Inc. | 8910 |
18 |
| Nippon Kayaku Kabushiki Kaisha | 1451 |
17 |
| Agfa NV | 657 |
17 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 373 |
16 |
| Lubrizol Advanced Materials, Inc. | 952 |
16 |
| Brother Industries, Ltd. | 12943 |
15 |
| FUJIFILM Imaging Colorants Limited | 203 |
14 |
| Cabot Corporation | 555 |
12 |
| LG Chem, Ltd. | 17706 |
11 |
| Kyocera Document Solutions Inc. | 5828 |
10 |
| Other owners | 224 |