- 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 11/50 - Sympathetic, colour-changing or similar inks
Patent holdings for IPC class C09D 11/50
Total number of patents in this class: 752
10-year publication summary
|
47
|
63
|
94
|
85
|
85
|
78
|
98
|
95
|
66
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SICPA Holding SA | 881 |
31 |
| Samsung Display Co., Ltd. | 30585 |
28 |
| Merck Patent GmbH | 5909 |
25 |
| Chromatic Technologies, Inc. | 73 |
25 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
22 |
| Kabushiki Kaisha Pilot Corporation | 321 |
21 |
| Societe BIC | 1064 |
19 |
| BASF SE | 19740 |
16 |
| FUJIFILM Corporation | 27102 |
14 |
| Xerox Corporation | 7503 |
13 |
| The Pilot Ink Co., Ltd. | 95 |
13 |
| Giesecke+Devrient Currency Technology GmbH | 817 |
13 |
| Crayola LLC | 177 |
12 |
| Seiko Epson Corporation | 18724 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Sanford, L.P. | 948 |
9 |
| Thermographic Measurements Limited | 44 |
9 |
| Hewlett-Packard Development Company, L.P. | 28538 |
8 |
| Viavi Solutions Inc. | 1363 |
8 |
| Dai Nippon Printing Co., Ltd. | 3891 |
7 |
| Other owners | 440 |