- 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 19/18 - Character-spacing or back-spacing mechanisms; Carriage-return or release devices therefor
Patent holdings for IPC class B41J 19/18
Total number of patents in this class: 26
10-year publication summary
|
1
|
0
|
1
|
5
|
1
|
2
|
2
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Mimaki Engineering Co., Ltd. | 799 |
4 |
| Seiko Epson Corporation | 18724 |
3 |
| Ricoh Company, Ltd. | 13266 |
3 |
| Brother Industries, Ltd. | 13000 |
2 |
| Riso Kagaku Corporation | 666 |
2 |
| Canon Inc. | 36841 |
1 |
| Eastman Kodak Company | 3444 |
1 |
| Konica Minolta, Inc. | 8349 |
1 |
| citizen Holdings Co., Ltd. | 332 |
1 |
| citizen Watch Co., Ltd. | 1062 |
1 |
| Durst Phototechnik Digital Technology GmbH | 35 |
1 |
| Roland DG Corporation | 337 |
1 |
| Canon Kabushiki Kaisha | 6884 |
1 |
| Other owners | 0 |