- 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 2/195 - Ink jet characterised by ink handling for monitoring ink quality
Patent holdings for IPC class B41J 2/195
Total number of patents in this class: 379
10-year publication summary
|
26
|
20
|
23
|
47
|
37
|
20
|
15
|
13
|
8
|
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 |
68 |
| Hewlett-Packard Development Company, L.P. | 28538 |
67 |
| Brother Industries, Ltd. | 13000 |
52 |
| Canon Inc. | 36841 |
34 |
| Ricoh Company, Ltd. | 13266 |
14 |
| Riso Kagaku Corporation | 666 |
11 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
10 |
| Xerox Corporation | 7503 |
9 |
| Konica Minolta, Inc. | 8349 |
9 |
| Videojet Technologies Inc. | 346 |
9 |
| Funai Electric Co., Ltd. | 882 |
6 |
| Samsung Display Co., Ltd. | 30585 |
5 |
| FUJIFILM Corporation | 27102 |
5 |
| Memjet Technology Ltd. | 757 |
4 |
| Mimaki Engineering Co., Ltd. | 799 |
4 |
| Eastman Kodak Company | 3444 |
3 |
| Lexmark International, Inc. | 1793 |
3 |
| Kyocera Document Solutions Inc. | 5295 |
3 |
| Archroma IP GmbH | 460 |
3 |
| Bobst Mex SA | 542 |
3 |
| Other owners | 57 |