- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/18 - Ink recirculation systems
Patent holdings for IPC class B41J 2/18
Total number of patents in this class: 1280
10-year publication summary
|
94
|
123
|
154
|
118
|
118
|
89
|
85
|
108
|
96
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 41645 |
198 |
| Hewlett-Packard Development Company, L.P. | 25459 |
164 |
| Seiko Epson Corporation | 19806 |
131 |
| Konica Minolta, Inc. | 8963 |
78 |
| Brother Industries, Ltd. | 12925 |
66 |
| Ricoh Company, Ltd. | 13345 |
52 |
| Kyocera Corporation | 14185 |
47 |
| FUJIFILM Corporation | 30016 |
42 |
| Memjet Technology Ltd. | 621 |
42 |
| Riso Technologies Corporation | 268 |
33 |
| Riso Kagaku Corporation | 653 |
32 |
| Kyocera Document Solutions Inc. | 5920 |
31 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1504 |
21 |
| Screen Holdings Co., Ltd. | 3009 |
21 |
| Mimaki Engineering Co., Ltd. | 884 |
20 |
| Kateeva, Inc. | 395 |
14 |
| SII Printek Inc. | 148 |
14 |
| Brother Kogyo Kabushikikaisha | 1791 |
10 |
| FUJIFILM Dimatix, Inc. | 265 |
9 |
| Canon Kabushiki Kaisha | 7204 |
9 |
| Other owners | 246 |