- 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 11/40 - Ink-sets specially adapted for multi-colour inkjet printing
Patent holdings for IPC class C09D 11/40
Total number of patents in this class: 925
10-year publication summary
|
91
|
77
|
84
|
91
|
138
|
88
|
84
|
120
|
81
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
179 |
| FUJIFILM Corporation | 27102 |
89 |
| Ricoh Company, Ltd. | 13266 |
86 |
| Hewlett-Packard Development Company, L.P. | 28538 |
81 |
| Agfa NV | 642 |
69 |
| Canon Inc. | 36841 |
42 |
| Brother Industries, Ltd. | 13000 |
28 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
19 |
| Konica Minolta, Inc. | 8349 |
18 |
| Eastman Kodak Company | 3444 |
17 |
| DuPont Electronics, Inc. | 379 |
17 |
| Kao Corporation | 4843 |
16 |
| Toyocolor Co., Ltd. | 156 |
16 |
| Toyo Ink SC Holdings Co., Ltd. | 505 |
15 |
| Kyocera Document Solutions Inc. | 5295 |
14 |
| DNP Fine Chemicals Co., Ltd. | 162 |
13 |
| DIC Corporation | 3597 |
10 |
| Riso Kagaku Corporation | 666 |
10 |
| FUJIFILM Speciality Ink Systems Limited | 83 |
7 |
| Sakata INX Corp. | 345 |
7 |
| Other owners | 172 |