- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 3/28 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing downwardly on flat surfaces, e.g. of books, drawings, boxes
Patent holdings for IPC class B41J 3/28
Total number of patents in this class: 313
10-year publication summary
|
25
|
38
|
34
|
29
|
27
|
18
|
24
|
9
|
30
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20256 |
25 |
| Ceraloc Innovation AB | 171 |
21 |
| Kateeva, Inc. | 394 |
21 |
| Agfa NV | 668 |
12 |
| Ricoh Company, Ltd. | 13342 |
8 |
| Canon Production Printing Holding B.V. | 281 |
8 |
| Dieffenbacher System-automation GmbH | 9 |
7 |
| Micropply Limited | 42 |
7 |
| Samsung Display Co., Ltd. | 38627 |
6 |
| Hewlett-Packard Development Company, L.P. | 25184 |
6 |
| Mimaki Engineering Co., Ltd. | 922 |
6 |
| Océ Holding B.V. | 106 |
6 |
| Oce-Technologies B.V. | 441 |
5 |
| Vinventions USA, LLC | 60 |
5 |
| Canon Inc. | 43817 |
4 |
| Nike, Inc. | 14820 |
4 |
| Bundesdruckerei GmbH | 989 |
4 |
| Durst Phototechnik Digital Technology GmbH | 29 |
4 |
| Electronics for Imaging, Inc. | 327 |
4 |
| Entrust Corporation | 289 |
4 |
| Other owners | 146 |