- 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: 106
10-year publication summary
|
4
|
11
|
8
|
10
|
4
|
4
|
3
|
1
|
7
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43768 |
25 |
| Hewlett-Packard Development Company, L.P. | 25216 |
14 |
| Brother Industries, Ltd. | 12842 |
14 |
| Seiko Epson Corporation | 20248 |
12 |
| Ricoh Company, Ltd. | 13346 |
6 |
| Kyocera Document Solutions Inc. | 6242 |
5 |
| Dover Europe Sàrl | 297 |
4 |
| Xerox Corporation | 4394 |
3 |
| Silverbrook Research Pty Ltd | 101 |
3 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1538 |
3 |
| Eastman Kodak Company | 2607 |
1 |
| Kyocera Corporation | 14335 |
1 |
| Konica Minolta, Inc. | 9116 |
1 |
| Bobst Mex SA | 605 |
1 |
| Domino UK Limited | 37 |
1 |
| Electronics for Imaging, Inc. | 327 |
1 |
| FUJIFILM Dimatix, Inc. | 244 |
1 |
| Kateeva, Inc. | 394 |
1 |
| KEYENCE Corporation | 519 |
1 |
| Markem-Imaje | 24 |
1 |
| Other owners | 7 |