- 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: 1048
10-year publication summary
72
|
98
|
154
|
145
|
117
|
112
|
102
|
95
|
53
|
20
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toppan Printing Co., Ltd. | 2212 |
162 |
Giesecke+Devrient Currency Technology GmbH | 817 |
85 |
De La Rue International Limited | 416 |
74 |
OVD Kinegram AG | 219 |
61 |
Dai Nippon Printing Co., Ltd. | 3891 |
52 |
LEONHARD KURZ Stiftung & Co. KG | 381 |
32 |
Hueck FOLIEN Ges.m.b.H. | 140 |
27 |
Surys | 91 |
25 |
Bundesdruckerei GmbH | 1024 |
21 |
Zhongchao Special Security Technology Co., Ltd. | 67 |
18 |
Wavefront Technology, Inc. | 47 |
17 |
Visual Physics, LLC | 68 |
16 |
China Banknote Printing and Minting Corporation | 87 |
15 |
BASF SE | 19740 |
14 |
Crane & Co., Inc. | 113 |
13 |
Giesecke+Devrient Mobile Security GmbH | 586 |
13 |
Covestro Deutschland AG | 2429 |
12 |
Nanotech Security Corp. | 46 |
12 |
Oberthur Fiduciaire SAS | 159 |
11 |
CCL Secure Pty Ltd | 90 |
11 |
Other owners | 357 |