- All sections
- C - Chemistrymetallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquersfilling pasteschemical paint or ink removersinkscorrecting fluidswoodstainspastes or solids for colouring or printinguse 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: 823
10-year publication summary
|
60
|
86
|
82
|
77
|
75
|
89
|
89
|
69
|
61
|
58
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 36065 |
37 |
| SICPA Holding SA | 923 |
36 |
| Chromatic Technologies, Inc. | 72 |
27 |
| Sumitomo Metal Mining Co., Ltd. | 1793 |
22 |
| Kabushiki Kaisha Pilot Corporation | 337 |
21 |
| Societe BIC | 1024 |
21 |
| Merck Patent GmbH | 5758 |
19 |
| Samsung Electronics Co., Ltd. | 148765 |
17 |
| BASF SE | 21083 |
16 |
| Giesecke+Devrient Currency Technology GmbH | 907 |
16 |
| Crayola LLC | 192 |
15 |
| Xerox Corporation | 6929 |
12 |
| Seiko Epson Corporation | 19675 |
12 |
| FUJIFILM Corporation | 29775 |
12 |
| The Pilot Ink Co., Ltd. | 90 |
11 |
| Sanford, L.P. | 923 |
9 |
| Thermographic Measurements Limited | 43 |
9 |
| Datalase Ltd. | 111 |
8 |
| Viavi Solutions Inc. | 1465 |
8 |
| Boe Technology Group Co., Ltd. | 41615 |
7 |
| Other owners | 488 |