- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
Patent holdings for IPC class B41J 2/19
Total number of patents in this class: 665
10-year publication summary
|
61
|
71
|
75
|
51
|
33
|
22
|
29
|
36
|
39
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20288 |
117 |
| Canon Inc. | 43941 |
86 |
| Hewlett-Packard Development Company, L.P. | 25175 |
84 |
| Memjet Technology Ltd. | 598 |
58 |
| Brother Industries, Ltd. | 12823 |
45 |
| Konica Minolta, Inc. | 9134 |
43 |
| Kyocera Document Solutions Inc. | 6274 |
40 |
| Xerox Corporation | 4388 |
15 |
| Ricoh Company, Ltd. | 13337 |
15 |
| DIC Corporation | 3965 |
12 |
| FUJIFILM Corporation | 30543 |
9 |
| SICPA Holding SA | 952 |
7 |
| Memjet Technology Limited | 75 |
7 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1547 |
6 |
| Riso Technologies Corporation | 282 |
6 |
| Brady Worldwide, Inc. | 777 |
5 |
| Electronics for Imaging, Inc. | 327 |
5 |
| Mimaki Engineering Co., Ltd. | 929 |
5 |
| Riso Kagaku Corporation | 642 |
5 |
| Eastman Kodak Company | 2597 |
4 |
| Other owners | 91 |