- 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: 1301
10-year publication summary
|
94
|
123
|
154
|
118
|
118
|
89
|
85
|
112
|
96
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42224 |
205 |
| Hewlett-Packard Development Company, L.P. | 25370 |
165 |
| Seiko Epson Corporation | 19988 |
133 |
| Konica Minolta, Inc. | 9021 |
81 |
| Brother Industries, Ltd. | 12873 |
67 |
| Ricoh Company, Ltd. | 13306 |
52 |
| Kyocera Corporation | 14241 |
47 |
| FUJIFILM Corporation | 30210 |
43 |
| Memjet Technology Ltd. | 609 |
42 |
| Kyocera Document Solutions Inc. | 6060 |
36 |
| Riso Technologies Corporation | 275 |
33 |
| Riso Kagaku Corporation | 647 |
32 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1519 |
21 |
| Screen Holdings Co., Ltd. | 3089 |
21 |
| Mimaki Engineering Co., Ltd. | 905 |
20 |
| Kateeva, Inc. | 394 |
14 |
| SII Printek Inc. | 153 |
14 |
| Brother Kogyo Kabushikikaisha | 1787 |
10 |
| Canon Kabushiki Kaisha | 7206 |
9 |
| Samsung Display Co., Ltd. | 37753 |
8 |
| Other owners | 248 |