- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/175 - Ink supply systems
Patent holdings for IPC class B41J 2/175
Total number of patents in this class: 8688
10-year publication summary
|
729
|
745
|
753
|
799
|
685
|
555
|
506
|
513
|
496
|
89
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25446 |
1663 |
| Seiko Epson Corporation | 19851 |
1570 |
| Brother Industries, Ltd. | 12903 |
1045 |
| Canon Inc. | 41835 |
963 |
| Ricoh Company, Ltd. | 13332 |
291 |
| Memjet Technology Ltd. | 617 |
179 |
| Brother Kogyo Kabushikikaisha | 1796 |
159 |
| Kyocera Document Solutions Inc. | 5959 |
146 |
| Xerox Corporation | 5876 |
109 |
| Zhuhai Ninestar Management Co., Ltd. | 151 |
102 |
| Konica Minolta, Inc. | 8983 |
89 |
| Brady Worldwide, Inc. | 754 |
89 |
| Mimaki Engineering Co., Ltd. | 888 |
87 |
| Videojet Technologies Inc. | 359 |
71 |
| FUJIFILM Corporation | 30106 |
67 |
| Screen Holdings Co., Ltd. | 3033 |
59 |
| Riso Kagaku Corporation | 652 |
56 |
| Roland DG Corporation | 379 |
52 |
| Riso Technologies Corporation | 268 |
48 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1509 |
47 |
| Other owners | 1796 |