- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 2/18 - Ink recirculation systems
Patent holdings for IPC class B41J 2/18
Total number of patents in this class: 1111
10-year publication summary
|
54
|
69
|
94
|
123
|
155
|
121
|
118
|
87
|
69
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 28538 |
169 |
| Canon Inc. | 36841 |
131 |
| Seiko Epson Corporation | 18724 |
121 |
| Konica Minolta, Inc. | 8349 |
71 |
| Brother Industries, Ltd. | 13000 |
62 |
| Ricoh Company, Ltd. | 13266 |
52 |
| Memjet Technology Ltd. | 757 |
42 |
| FUJIFILM Corporation | 27102 |
39 |
| Toshiba TEC Corporation | 3877 |
36 |
| Kyocera Corporation | 12735 |
33 |
| Riso Kagaku Corporation | 666 |
31 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
20 |
| Mimaki Engineering Co., Ltd. | 799 |
15 |
| SII Printek Inc. | 136 |
14 |
| Canon Kabushiki Kaisha | 6884 |
13 |
| Kateeva, Inc. | 376 |
11 |
| FUJIFILM Dimatix, Inc. | 331 |
10 |
| Screen Holdings Co., Ltd. | 2431 |
10 |
| Eastman Kodak Company | 3444 |
8 |
| Kyocera Document Solutions Inc. | 5295 |
8 |
| Other owners | 215 |