- 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 2/185 - Ink-collectors; Ink-catchers
Patent holdings for IPC class B41J 2/185
Total number of patents in this class: 376
10-year publication summary
|
15
|
22
|
32
|
41
|
41
|
38
|
36
|
16
|
18
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
75 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
38 |
| Canon Inc. | 36841 |
33 |
| Hewlett-Packard Development Company, L.P. | 28538 |
26 |
| Eastman Kodak Company | 3444 |
18 |
| Dover Europe Sàrl | 242 |
14 |
| Videojet Technologies Inc. | 346 |
13 |
| Brother Industries, Ltd. | 13000 |
12 |
| Ricoh Company, Ltd. | 13266 |
11 |
| Canon Kabushiki Kaisha | 6884 |
9 |
| SII Printek Inc. | 136 |
8 |
| Riso Kagaku Corporation | 666 |
7 |
| Memjet Technology Ltd. | 757 |
6 |
| Domino UK Limited | 31 |
6 |
| Linx Printing Technologies Ltd. | 41 |
6 |
| Kyocera Document Solutions Inc. | 5295 |
5 |
| Mimaki Engineering Co., Ltd. | 799 |
5 |
| Xerox Corporation | 7503 |
4 |
| Dainippon Screen Mfg. Co., Ltd. | 92 |
4 |
| Domino Printing Sciences plc | 80 |
4 |
| Other owners | 72 |