- 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: 873
10-year publication summary
|
94
|
85
|
85
|
78
|
97
|
93
|
73
|
65
|
64
|
41
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 38817 |
44 |
| SICPA Holding SA | 957 |
36 |
| Chromatic Technologies, Inc. | 72 |
29 |
| Kabushiki Kaisha Pilot Corporation | 355 |
22 |
| Sumitomo Metal Mining Co., Ltd. | 1985 |
22 |
| Societe BIC | 1008 |
20 |
| Samsung Electronics Co., Ltd. | 158442 |
19 |
| Merck Patent GmbH | 5735 |
19 |
| Crayola LLC | 198 |
17 |
| Giesecke+Devrient Currency Technology GmbH | 960 |
16 |
| BASF SE | 21306 |
15 |
| Seiko Epson Corporation | 20337 |
13 |
| FUJIFILM Corporation | 30594 |
12 |
| The Pilot Ink Co., Ltd. | 86 |
12 |
| Datalase Ltd. | 106 |
10 |
| Sanford, L.P. | 885 |
9 |
| Thermographic Measurements Limited | 42 |
8 |
| Viavi Solutions Inc. | 1529 |
8 |
| Zebra Technologies Corporation | 2395 |
8 |
| Boe Technology Group Co., Ltd. | 44409 |
7 |
| Other owners | 527 |