- 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 11/324 - Pigment inks containing carbon black
Patent holdings for IPC class C09D 11/324
Total number of patents in this class: 386
10-year publication summary
|
45
|
31
|
58
|
42
|
45
|
35
|
33
|
25
|
26
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
49 |
| Ricoh Company, Ltd. | 13266 |
38 |
| Hewlett-Packard Development Company, L.P. | 28538 |
29 |
| Canon Inc. | 36841 |
26 |
| Cabot Corporation | 575 |
18 |
| Riso Kagaku Corporation | 666 |
18 |
| Agfa NV | 642 |
15 |
| FUJIFILM Corporation | 27102 |
14 |
| LG Chem, Ltd. | 17205 |
13 |
| Axalta Coating Systems IP Co., LLC | 454 |
13 |
| Brother Industries, Ltd. | 13000 |
11 |
| DIC Corporation | 3597 |
9 |
| Sakata INX Corp. | 345 |
9 |
| Kao Corporation | 4843 |
7 |
| Sun Chemical Corporation | 865 |
6 |
| Kyocera Document Solutions Inc. | 5295 |
5 |
| DuPont Electronics, Inc. | 379 |
5 |
| Corning Incorporated | 9932 |
4 |
| Domino Printing Sciences plc | 80 |
4 |
| Tokai Carbon Co., Ltd. | 99 |
4 |
| Other owners | 89 |