- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 25/34 - Bodily-changeable print heads or carriages
Patent holdings for IPC class B41J 25/34
Total number of patents in this class: 318
10-year publication summary
|
25
|
45
|
49
|
36
|
43
|
20
|
13
|
28
|
16
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Memjet Technology Ltd. | 692 |
60 |
| Hewlett-Packard Development Company, L.P. | 27461 |
32 |
| Seiko Epson Corporation | 18989 |
30 |
| Memjet Technology Limited | 75 |
21 |
| Padaluma Ink-jet-solutions GmbH & Co. KG | 18 |
15 |
| Canon Inc. | 38148 |
13 |
| Ricoh Company, Ltd. | 13216 |
13 |
| Sato Holdings Kabushiki Kaisha | 689 |
12 |
| Brother Industries, Ltd. | 12908 |
10 |
| Prototype and Production Systems, Inc. | 10 |
10 |
| Zebra Technologies Corporation | 1909 |
7 |
| Eastman Kodak Company | 3033 |
6 |
| Mimaki Engineering Co., Ltd. | 816 |
5 |
| Heidelberger Druckmaschinen AG | 473 |
4 |
| Electronics for Imaging, Inc. | 309 |
3 |
| Xaar Technology Limited | 136 |
3 |
| The Procter & Gamble Company | 22146 |
2 |
| FUJIFILM Corporation | 28805 |
2 |
| Kyocera Corporation | 13344 |
2 |
| Konica Minolta, Inc. | 8535 |
2 |
| Other owners | 66 |