- All sections
- C - Chemistry; metallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials therefor
- C09D 11/54 - Inks based on two liquids, one liquid being the ink, the other liquid being a reaction solution, a fixer or a treatment solution for the ink
Patent holdings for IPC class C09D 11/54
Total number of patents in this class: 833
10-year publication summary
|
13
|
41
|
54
|
65
|
99
|
144
|
107
|
133
|
118
|
32
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 29751 |
151 |
| FUJIFILM Corporation | 25841 |
113 |
| Seiko Epson Corporation | 19240 |
105 |
| Ricoh Company, Ltd. | 14053 |
55 |
| Agfa NV | 649 |
40 |
| Canon Inc. | 36856 |
26 |
| Sakata INX Corp. | 283 |
23 |
| Kornit Digital Ltd. | 117 |
21 |
| Konica Minolta, Inc. | 8205 |
19 |
| Brother Industries, Ltd. | 13284 |
17 |
| Toyo Ink SC Holdings Co., Ltd. | 530 |
16 |
| Eastman Kodak Company | 4117 |
13 |
| DNP Fine Chemicals Co., Ltd. | 127 |
11 |
| Riso Kagaku Corporation | 704 |
11 |
| Toyocolor Co., Ltd. | 147 |
11 |
| DuPont Electronics, Inc. | 381 |
10 |
| Kao Corporation | 4747 |
8 |
| Kyocera Document Solutions Inc. | 5761 |
8 |
| Canon Kabushiki Kaisha | 6683 |
8 |
| Landa Corporation Ltd. | 190 |
7 |
| Other owners | 160 |