- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection 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: 378
10-year publication summary
|
23
|
47
|
37
|
20
|
15
|
12
|
8
|
10
|
16
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25121 |
65 |
| Seiko Epson Corporation | 20528 |
64 |
| Canon Inc. | 44414 |
39 |
| Brother Industries, Ltd. | 12856 |
39 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1561 |
15 |
| Ricoh Company, Ltd. | 13407 |
14 |
| Konica Minolta, Inc. | 9194 |
14 |
| Riso Kagaku Corporation | 644 |
11 |
| Xerox Corporation | 4381 |
9 |
| Videojet Technologies Inc. | 362 |
9 |
| FUJIFILM Corporation | 30774 |
7 |
| Samsung Display Co., Ltd. | 39154 |
5 |
| Kyocera Document Solutions Inc. | 6378 |
5 |
| Bobst Mex SA | 612 |
5 |
| Memjet Technology Ltd. | 585 |
4 |
| Mimaki Engineering Co., Ltd. | 937 |
4 |
| Archroma IP GmbH | 461 |
3 |
| Brady Worldwide, Inc. | 792 |
3 |
| Screen Holdings Co., Ltd. | 3267 |
3 |
| Hitachi, Ltd. | 16221 |
2 |
| Other owners | 58 |