- 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 11/322 - Pigment inks
Patent holdings for IPC class C09D 11/322
Total number of patents in this class: 3154
10-year publication summary
|
264
|
271
|
331
|
368
|
404
|
351
|
343
|
317
|
240
|
81
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
371 |
| Hewlett-Packard Development Company, L.P. | 28538 |
249 |
| FUJIFILM Corporation | 27102 |
206 |
| Ricoh Company, Ltd. | 13266 |
204 |
| Canon Inc. | 36841 |
124 |
| Kao Corporation | 4843 |
121 |
| Agfa NV | 642 |
115 |
| DIC Corporation | 3597 |
82 |
| Sakata INX Corp. | 345 |
74 |
| Konica Minolta, Inc. | 8349 |
58 |
| Brother Industries, Ltd. | 13000 |
53 |
| Riso Kagaku Corporation | 666 |
53 |
| Sun Chemical Corporation | 865 |
48 |
| Toyo Ink SC Holdings Co., Ltd. | 505 |
46 |
| Toyocolor Co., Ltd. | 156 |
37 |
| Xerox Corporation | 7503 |
33 |
| DuPont Electronics, Inc. | 379 |
33 |
| Eastman Kodak Company | 3444 |
32 |
| Canon Kabushiki Kaisha | 6884 |
32 |
| Kyocera Document Solutions Inc. | 5295 |
30 |
| Other owners | 1153 |