- 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 29/38 - Drives, motors, controls, or automatic cut-off devices for the entire printing mechanism
Patent holdings for IPC class B41J 29/38
Total number of patents in this class: 4139
10-year publication summary
|
404
|
270
|
264
|
304
|
275
|
202
|
178
|
182
|
113
|
63
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18672 |
659 |
| Brother Industries, Ltd. | 12859 |
527 |
| Hewlett-Packard Development Company, L.P. | 27690 |
450 |
| Canon Inc. | 37077 |
370 |
| Ricoh Company, Ltd. | 13075 |
180 |
| Canon Kabushiki Kaisha | 6882 |
159 |
| Kyocera Document Solutions Inc. | 5117 |
147 |
| Brother Kogyo Kabushikikaisha | 1733 |
134 |
| Xerox Corporation | 7150 |
89 |
| FUJIFILM Corporation | 27478 |
88 |
| Riso Kagaku Corporation | 658 |
83 |
| Memjet Technology Ltd. | 736 |
60 |
| Toshiba TEC Corporation | 3622 |
51 |
| FUJIFILM Dimatix, Inc. | 321 |
46 |
| Sato Holdings Kabushiki Kaisha | 681 |
40 |
| Mimaki Engineering Co., Ltd. | 805 |
36 |
| Riso Technologies Corporation | 249 |
35 |
| Eastman Kodak Company | 3220 |
33 |
| Konica Minolta, Inc. | 8391 |
32 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1362 |
26 |
| Other owners | 894 |