- 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: 1261
10-year publication summary
|
68
|
94
|
123
|
154
|
118
|
118
|
89
|
84
|
106
|
88
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40733 |
192 |
| Hewlett-Packard Development Company, L.P. | 25671 |
165 |
| Seiko Epson Corporation | 19686 |
130 |
| Konica Minolta, Inc. | 8840 |
77 |
| Brother Industries, Ltd. | 12944 |
66 |
| Ricoh Company, Ltd. | 13383 |
52 |
| Kyocera Corporation | 14000 |
46 |
| FUJIFILM Corporation | 29728 |
42 |
| Memjet Technology Ltd. | 627 |
42 |
| Riso Technologies Corporation | 266 |
33 |
| Riso Kagaku Corporation | 652 |
32 |
| Kyocera Document Solutions Inc. | 5761 |
30 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1472 |
20 |
| Screen Holdings Co., Ltd. | 2910 |
20 |
| Mimaki Engineering Co., Ltd. | 869 |
19 |
| Kateeva, Inc. | 393 |
14 |
| SII Printek Inc. | 147 |
14 |
| Brother Kogyo Kabushikikaisha | 1791 |
10 |
| FUJIFILM Dimatix, Inc. | 275 |
9 |
| Canon Kabushiki Kaisha | 7121 |
9 |
| Other owners | 239 |