- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/51 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements serial printer type
Patent holdings for IPC class B41J 2/51
Total number of patents in this class: 44
10-year publication summary
|
5
|
7
|
12
|
6
|
6
|
1
|
0
|
4
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18989 |
10 |
| Canon Inc. | 38148 |
9 |
| FUJIFILM Corporation | 28805 |
4 |
| Xerox Corporation | 7076 |
2 |
| Brother Industries, Ltd. | 12908 |
2 |
| Funai Electric Co., Ltd. | 863 |
2 |
| Project42 S.r.l. | 3 |
2 |
| Hewlett-Packard Development Company, L.P. | 27461 |
1 |
| Ricoh Company, Ltd. | 13216 |
1 |
| Casio Computer Co., Ltd. | 3373 |
1 |
| Agfa Graphics NV | 297 |
1 |
| Ceradrop | 3 |
1 |
| Comexi Group Industries, S.A. | 11 |
1 |
| Mimaki Engineering Co., Ltd. | 816 |
1 |
| Oce-Technologies B.V. | 470 |
1 |
| Schmid Rhyner AG | 10 |
1 |
| Funai Electric Co., Ltd. (jp) | 3 |
1 |
| XIONEER SYSTEMS GmbH | 6 |
1 |
| JDI Design and Development G.K. | 1177 |
1 |
| Canon Kabu Shiki Kaisha | 1 |
1 |
| Other owners | 0 |