- 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: 1329
10-year publication summary
|
94
|
123
|
155
|
121
|
118
|
89
|
86
|
115
|
97
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43707 |
221 |
| Hewlett-Packard Development Company, L.P. | 25246 |
166 |
| Seiko Epson Corporation | 20227 |
135 |
| Konica Minolta, Inc. | 9110 |
81 |
| Brother Industries, Ltd. | 12839 |
67 |
| Ricoh Company, Ltd. | 13343 |
53 |
| Kyocera Corporation | 14333 |
47 |
| FUJIFILM Corporation | 30479 |
43 |
| Memjet Technology Ltd. | 602 |
42 |
| Kyocera Document Solutions Inc. | 6220 |
38 |
| Riso Technologies Corporation | 281 |
34 |
| Riso Kagaku Corporation | 641 |
32 |
| Mimaki Engineering Co., Ltd. | 920 |
22 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1536 |
21 |
| Screen Holdings Co., Ltd. | 3140 |
21 |
| SII Printek Inc. | 159 |
16 |
| Kateeva, Inc. | 394 |
14 |
| Brother Kogyo Kabushikikaisha | 1801 |
10 |
| Samsung Display Co., Ltd. | 38544 |
8 |
| FUJIFILM Dimatix, Inc. | 246 |
8 |
| Other owners | 250 |