- All sections
- B - Performing operations; transporting
- B42D - Books; book covers; loose leaves; printed matter characterised by identification or security features; printed matter of special format or style not otherwise provided for; devices for use therewith and not otherwise provided for; movable-strip writing or reading apparatus
- B42D 25/328 - Diffraction gratings; Holograms
Patent holdings for IPC class B42D 25/328
Total number of patents in this class: 1097
10-year publication summary
|
98
|
154
|
145
|
117
|
113
|
103
|
98
|
56
|
58
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toppan Printing Co., Ltd. | 2160 |
162 |
| Giesecke+Devrient Currency Technology GmbH | 853 |
88 |
| De La Rue International Limited | 409 |
74 |
| OVD Kinegram AG | 210 |
64 |
| Dai Nippon Printing Co., Ltd. | 3962 |
57 |
| LEONHARD KURZ Stiftung & Co. KG | 387 |
32 |
| Surys | 95 |
28 |
| Hueck FOLIEN Ges.m.b.H. | 144 |
27 |
| Zhongchao Special Security Technology Co., Ltd. | 71 |
22 |
| Bundesdruckerei GmbH | 1013 |
21 |
| China Banknote Printing and Minting Corporation | 91 |
19 |
| Wavefront Technology, Inc. | 49 |
18 |
| Visual Physics, LLC | 61 |
16 |
| BASF SE | 20367 |
14 |
| Crane & Co., Inc. | 121 |
14 |
| Covestro Deutschland AG | 2683 |
12 |
| Giesecke+Devrient Mobile Security GmbH | 503 |
12 |
| CCL Secure Pty Ltd | 91 |
12 |
| Idemia France | 399 |
12 |
| Oberthur Fiduciaire SAS | 164 |
11 |
| Other owners | 382 |