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  • 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 25/328 - Diffraction gratingsHolograms

Patent holdings for IPC class B42D 25/328

Total number of patents in this class: 1114

10-year publication summary

99
154
145
117
113
105
100
62
59
32
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toppan Printing Co., Ltd.
2135
159
Giesecke+Devrient Currency Technology GmbH
885
92
De La Rue International Limited
387
69
OVD Kinegram AG
196
64
Dai Nippon Printing Co., Ltd.
4071
58
LEONHARD KURZ Stiftung & Co. KG
392
32
Hueck FOLIEN Ges.m.b.H.
149
30
Surys
95
29
Zhongchao Special Security Technology Co., Ltd.
79
25
China Banknote Printing and Minting Corporation
105
22
Bundesdruckerei GmbH
1005
21
Wavefront Technology, Inc.
50
19
BASF SE
20892
14
Covestro Deutschland AG
2744
13
Crane & Co., Inc.
120
13
CCL Secure Pty Ltd
92
13
Visual Physics, LLC
52
12
Giesecke+Devrient Mobile Security GmbH
497
12
Toppan Inc.
755
10
Illinois Tool Works Inc.
11450
9
Other owners 398

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