- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction 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: 589
10-year publication summary
|
49
|
50
|
61
|
71
|
75
|
51
|
33
|
21
|
24
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
116 |
| Hewlett-Packard Development Company, L.P. | 28538 |
90 |
| Memjet Technology Ltd. | 757 |
58 |
| Canon Inc. | 36841 |
54 |
| Brother Industries, Ltd. | 13000 |
40 |
| Konica Minolta, Inc. | 8349 |
36 |
| Ricoh Company, Ltd. | 13266 |
15 |
| Xerox Corporation | 7503 |
12 |
| DIC Corporation | 3597 |
11 |
| FUJIFILM Corporation | 27102 |
10 |
| Funai Electric Co., Ltd. | 882 |
8 |
| Memjet Technology Limited | 75 |
7 |
| Toshiba TEC Corporation | 3877 |
6 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
6 |
| Mimaki Engineering Co., Ltd. | 799 |
6 |
| Riso Kagaku Corporation | 666 |
6 |
| SICPA Holding SA | 881 |
6 |
| Electronics for Imaging, Inc. | 320 |
5 |
| Eastman Kodak Company | 3444 |
4 |
| Kyocera Document Solutions Inc. | 5295 |
4 |
| Other owners | 89 |