- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/235 - Print head assemblies
Patent holdings for IPC class B41J 2/235
Total number of patents in this class: 45
10-year publication summary
|
1
|
3
|
4
|
3
|
9
|
2
|
2
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25753 |
9 |
| Seiko Epson Corporation | 19671 |
8 |
| Memjet Technology Limited | 75 |
7 |
| Lexmark International, Inc. | 1650 |
4 |
| Ricoh Company, Ltd. | 13391 |
2 |
| Dai Nippon Printing Co., Ltd. | 4126 |
2 |
| Samsung Display Co., Ltd. | 35545 |
1 |
| Xerox Corporation | 6982 |
1 |
| Canon Inc. | 40623 |
1 |
| Memjet Technology Ltd. | 629 |
1 |
| Silverbrook Research Pty Ltd | 118 |
1 |
| citizen Holdings Co., Ltd. | 301 |
1 |
| Electronics for Imaging, Inc. | 318 |
1 |
| FUJIFILM Dimatix, Inc. | 275 |
1 |
| Oce-Technologies B.V. | 457 |
1 |
| Seiko Precision Inc. | 110 |
1 |
| SII Printek Inc. | 147 |
1 |
| Cowles Semi, LLC | 70 |
1 |
| Kodak ALARIS LLC | 279 |
1 |
| Other owners | 0 |