- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction 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: 288
10-year publication summary
|
22
|
25
|
25
|
38
|
34
|
29
|
27
|
18
|
22
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
21 |
| Ceraloc Innovation AB | 156 |
21 |
| Kateeva, Inc. | 376 |
15 |
| Agfa NV | 642 |
11 |
| Agfa Graphics NV | 308 |
10 |
| Dieffenbacher System-automation GmbH | 9 |
7 |
| Micropply Limited | 34 |
7 |
| Ricoh Company, Ltd. | 13266 |
6 |
| Mimaki Engineering Co., Ltd. | 799 |
6 |
| Océ Holding B.V. | 108 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| Oce-Technologies B.V. | 475 |
5 |
| Vinventions USA, LLC | 96 |
5 |
| Nike, Inc. | 13075 |
4 |
| Bundesdruckerei GmbH | 1024 |
4 |
| Durst Phototechnik Digital Technology GmbH | 35 |
4 |
| Entrust Corporation | 242 |
4 |
| Xerox Corporation | 7503 |
3 |
| Boe Technology Group Co., Ltd. | 35384 |
3 |
| Capital One Services, LLC. | 7551 |
3 |
| Other owners | 138 |