- All sections
- B - Performing operationstransporting
- B41F - Printing machines or presses
- B41F 3/20 - Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed of special construction or for particular purposes with fixed type-beds and travelling impression cylinders
Patent holdings for IPC class B41F 3/20
Total number of patents in this class: 46
10-year publication summary
|
9
|
4
|
2
|
2
|
1
|
2
|
4
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Screen Holdings Co., Ltd. | 2822 |
13 |
| IHI Corporation | 3438 |
5 |
| Komori Corporation | 147 |
5 |
| National Institute of Advanced Industrial Science and Technology | 3802 |
4 |
| FUJIFILM Corporation | 29399 |
2 |
| Fujikura Ltd. | 2938 |
2 |
| DIC Corporation | 3802 |
2 |
| Korea Institute of Machinery & Materials | 748 |
2 |
| Nihon Denshi Seiki Co., Ltd. | 9 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
1 |
| Church & Dwight Co., Inc. | 1888 |
1 |
| Sumitomo Chemical Company, Limited | 9047 |
1 |
| Dexerials Corporation | 1967 |
1 |
| Komura-tech Co., Ltd. | 11 |
1 |
| Nano Terra Inc. | 28 |
1 |
| Shuhou Co., Ltd. | 47 |
1 |
| Toppan Printing Co., Ltd. | 2132 |
1 |
| Sharp Kabushiki Kaisha | 18738 |
1 |
| Other owners | 0 |