- All sections
- B - Performing operationstransporting
- B42D - Booksbook coversloose leavesprinted matter characterised by identification or security featuresprinted matter of special format or style not otherwise provided fordevices for use therewith and not otherwise provided formovable-strip writing or reading apparatus
- B42D 25/445 - Marking by removal of material using chemical means, e.g. etching
Patent holdings for IPC class B42D 25/445
Total number of patents in this class: 120
10-year publication summary
|
9
|
20
|
23
|
8
|
9
|
11
|
11
|
10
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Giesecke+Devrient Currency Technology GmbH | 886 |
19 |
| De La Rue International Limited | 387 |
13 |
| LEONHARD KURZ Stiftung & Co. KG | 391 |
12 |
| OVD Kinegram AG | 196 |
12 |
| Toppan Printing Co., Ltd. | 2135 |
6 |
| Crane & Co., Inc. | 120 |
3 |
| Surys | 96 |
3 |
| Wavefront Technology, Inc. | 50 |
3 |
| Raytheon Company | 8396 |
2 |
| Bank of Canada | 143 |
2 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1537 |
2 |
| Fedrigoni S.p.A. | 269 |
2 |
| Giesecke & Devrient GmbH | 883 |
2 |
| Rolic AG | 71 |
2 |
| SICPA Holding SA | 910 |
2 |
| Viavi Solutions Inc. | 1432 |
2 |
| Giesecke+Devrient Mobile Security GmbH | 497 |
2 |
| IDEMIA Identity & Security USA LLC | 226 |
2 |
| Nano Mecca Co., Ltd. | 6 |
2 |
| Toppan Inc. | 756 |
2 |
| Other owners | 25 |