- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 11/42 - Controlling
Patent holdings for IPC class B41J 11/42
Total number of patents in this class: 580
10-year publication summary
|
61
|
51
|
45
|
40
|
41
|
63
|
56
|
31
|
21
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20017 |
107 |
| Canon Inc. | 42342 |
61 |
| Hewlett-Packard Development Company, L.P. | 25342 |
56 |
| Brother Industries, Ltd. | 12865 |
46 |
| Sato Holdings Kabushiki Kaisha | 438 |
26 |
| Toshiba TEC Corporation | 3899 |
20 |
| Screen Holdings Co., Ltd. | 3103 |
19 |
| Ricoh Company, Ltd. | 13299 |
18 |
| Kyocera Document Solutions Inc. | 6081 |
13 |
| Konica Minolta, Inc. | 9032 |
12 |
| Mimaki Engineering Co., Ltd. | 905 |
9 |
| Brother Kogyo Kabushikikaisha | 1788 |
9 |
| Xerox Corporation | 4716 |
7 |
| Riso Kagaku Corporation | 645 |
6 |
| Casio Computer Co., Ltd. | 3487 |
5 |
| citizen Systems Japan Co., Ltd. | 82 |
5 |
| Oce Printing Systems GmbH | 91 |
5 |
| Shandong New Beiyang Information Technology Co., Ltd. | 373 |
5 |
| Sato Corporation | 263 |
5 |
| FUJIFILM Business Innovation Corp. | 7848 |
5 |
| Other owners | 141 |