- 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: 1136
10-year publication summary
|
85
|
142
|
137
|
108
|
103
|
94
|
87
|
56
|
59
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toppan Printing Co., Ltd. | 2123 |
161 |
| Giesecke+Devrient Currency Technology GmbH | 912 |
95 |
| De La Rue International Limited | 386 |
70 |
| OVD Kinegram AG | 198 |
64 |
| Dai Nippon Printing Co., Ltd. | 4145 |
58 |
| LEONHARD KURZ Stiftung & Co. KG | 392 |
32 |
| Surys | 97 |
31 |
| Hueck FOLIEN Ges.m.b.H. | 147 |
30 |
| Zhongchao Special Security Technology Co., Ltd. | 81 |
26 |
| China Banknote Printing and Minting Corporation | 108 |
23 |
| Bundesdruckerei GmbH | 996 |
21 |
| Wavefront Technology, Inc. | 49 |
20 |
| BASF SE | 21072 |
13 |
| Covestro Deutschland AG | 2789 |
13 |
| CCL Secure Pty Ltd | 92 |
13 |
| Crane & Co., Inc. | 125 |
12 |
| Visual Physics, LLC | 52 |
12 |
| Giesecke+Devrient Mobile Security GmbH | 494 |
12 |
| Toppan Inc. | 761 |
12 |
| Illinois Tool Works Inc. | 11531 |
10 |
| Other owners | 408 |