- 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 2/175 - Ink supply systems
Patent holdings for IPC class B41J 2/175
Total number of patents in this class: 8222
10-year publication summary
588
|
631
|
747
|
750
|
765
|
832
|
685
|
550
|
488
|
143
|
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 |
1726 |
Seiko Epson Corporation | 18724 |
1492 |
Brother Industries, Ltd. | 13000 |
1017 |
Canon Inc. | 36841 |
709 |
Ricoh Company, Ltd. | 13266 |
261 |
Memjet Technology Ltd. | 757 |
203 |
Brother Kogyo Kabushikikaisha | 1709 |
143 |
Xerox Corporation | 7503 |
133 |
Funai Electric Co., Ltd. | 882 |
109 |
Zhuhai Ninestar Management Co., Ltd. | 134 |
89 |
Konica Minolta, Inc. | 8349 |
78 |
Kyocera Document Solutions Inc. | 5295 |
76 |
Mimaki Engineering Co., Ltd. | 799 |
75 |
Videojet Technologies Inc. | 346 |
66 |
FUJIFILM Corporation | 27102 |
62 |
Riso Kagaku Corporation | 666 |
60 |
Canon Kabushiki Kaisha | 6884 |
57 |
Toshiba TEC Corporation | 3877 |
56 |
Eastman Kodak Company | 3444 |
43 |
FUJIFILM Dimatix, Inc. | 331 |
41 |
Other owners | 1726 |