- 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: 885
10-year publication summary
41
|
54
|
65
|
99
|
145
|
108
|
133
|
119
|
109
|
30
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hewlett-Packard Development Company, L.P. | 28538 |
134 |
FUJIFILM Corporation | 27102 |
117 |
Seiko Epson Corporation | 18724 |
106 |
Ricoh Company, Ltd. | 13266 |
62 |
Agfa NV | 642 |
48 |
Sakata INX Corp. | 345 |
33 |
Konica Minolta, Inc. | 8349 |
25 |
Canon Inc. | 36841 |
24 |
Brother Industries, Ltd. | 13000 |
19 |
Kornit Digital Ltd. | 128 |
19 |
DNP Fine Chemicals Co., Ltd. | 162 |
17 |
Toyo Ink SC Holdings Co., Ltd. | 505 |
16 |
Riso Kagaku Corporation | 666 |
14 |
Eastman Kodak Company | 3444 |
13 |
Kyocera Document Solutions Inc. | 5295 |
12 |
Toyocolor Co., Ltd. | 156 |
11 |
DuPont Electronics, Inc. | 379 |
11 |
Kao Corporation | 4843 |
9 |
Landa Corporation Ltd. | 223 |
8 |
Canon Production Printing Holding B.V. | 186 |
8 |
Other owners | 179 |