- 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 25/391 - Special inks absorbing or reflecting polarised light
Patent holdings for IPC class B42D 25/391
Total number of patents in this class: 101
10-year publication summary
|
5
|
9
|
11
|
13
|
15
|
8
|
5
|
5
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4167 |
18 |
| 3m Innovative Properties Company | 17459 |
8 |
| Giesecke+Devrient Currency Technology GmbH | 961 |
7 |
| BASF SE | 21320 |
6 |
| Toppan Printing Co., Ltd. | 2081 |
6 |
| Crime Science Technology | 26 |
5 |
| Dai Nippon Printing Co., Ltd. | 4254 |
3 |
| Oberthur Fiduciaire SAS | 138 |
3 |
| Rolic AG | 64 |
3 |
| American Polarizers, Inc. | 12 |
2 |
| Capital One Services, LLC. | 10067 |
2 |
| De La Rue International Limited | 364 |
2 |
| Kommanditgesellschaft Synoptrix Lichttechnik GmbH & Co. | 6 |
2 |
| LEONHARD KURZ Stiftung & Co. KG | 385 |
2 |
| NHK Spring Co., Ltd. | 1994 |
2 |
| OVD Kinegram AG | 182 |
2 |
| QinetiQ Limited | 502 |
2 |
| SICPA Holding SA | 955 |
2 |
| Nst Co., Ltd. | 8 |
2 |
| OpSec Security Limited | 3 |
2 |
| Other owners | 20 |