- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/20 - Ink jet characterised by ink handling for preventing or detecting contamination of compounds
Patent holdings for IPC class B41J 2/20
Total number of patents in this class: 69
10-year publication summary
|
10
|
4
|
11
|
8
|
10
|
4
|
4
|
3
|
1
|
0
|
| 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. | 25881 |
14 |
| Brother Industries, Ltd. | 12964 |
13 |
| Seiko Epson Corporation | 19327 |
9 |
| Xerox Corporation | 7014 |
4 |
| Ricoh Company, Ltd. | 13242 |
4 |
| Dover Europe Sàrl | 271 |
4 |
| Canon Inc. | 39818 |
3 |
| Silverbrook Research Pty Ltd | 131 |
3 |
| Kyocera Document Solutions Inc. | 5590 |
2 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1456 |
2 |
| Eastman Kodak Company | 2900 |
1 |
| Kyocera Corporation | 13800 |
1 |
| Domino UK Limited | 35 |
1 |
| Electronics for Imaging, Inc. | 317 |
1 |
| FUJIFILM Dimatix, Inc. | 280 |
1 |
| Kateeva, Inc. | 393 |
1 |
| Markem-Imaje | 24 |
1 |
| Mimaki Engineering Co., Ltd. | 847 |
1 |
| Riso Kagaku Corporation | 658 |
1 |
| Screen Holdings Co., Ltd. | 2806 |
1 |
| Other owners | 1 |