- 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: 3273
10-year publication summary
|
271
|
331
|
368
|
404
|
352
|
347
|
320
|
244
|
272
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18966 |
379 |
| Hewlett-Packard Development Company, L.P. | 27484 |
230 |
| FUJIFILM Corporation | 28467 |
226 |
| Ricoh Company, Ltd. | 13202 |
200 |
| Canon Inc. | 38016 |
143 |
| Agfa NV | 650 |
124 |
| Kao Corporation | 4898 |
119 |
| DIC Corporation | 3647 |
91 |
| Sakata INX Corp. | 380 |
81 |
| Konica Minolta, Inc. | 8510 |
62 |
| Brother Industries, Ltd. | 12888 |
57 |
| Riso Kagaku Corporation | 658 |
53 |
| Sun Chemical Corporation | 863 |
47 |
| Kyocera Document Solutions Inc. | 5314 |
46 |
| Toyo Ink SC Holdings Co., Ltd. | 489 |
45 |
| Toyocolor Co., Ltd. | 182 |
41 |
| Xerox Corporation | 7076 |
35 |
| FUJIFILM Speciality Ink Systems Limited | 87 |
32 |
| DuPont Electronics, Inc. | 377 |
32 |
| Eastman Kodak Company | 3045 |
31 |
| Other owners | 1199 |