- 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: 4247
10-year publication summary
|
404
|
270
|
264
|
304
|
275
|
202
|
176
|
173
|
106
|
35
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
687 |
| Brother Industries, Ltd. | 13000 |
527 |
| Hewlett-Packard Development Company, L.P. | 28538 |
465 |
| Canon Inc. | 36841 |
379 |
| Ricoh Company, Ltd. | 13266 |
182 |
| Canon Kabushiki Kaisha | 6884 |
161 |
| Kyocera Document Solutions Inc. | 5295 |
151 |
| Brother Kogyo Kabushikikaisha | 1709 |
123 |
| Xerox Corporation | 7503 |
97 |
| FUJIFILM Corporation | 27102 |
90 |
| Toshiba TEC Corporation | 3877 |
89 |
| Riso Kagaku Corporation | 666 |
83 |
| Memjet Technology Ltd. | 757 |
65 |
| FUJIFILM Dimatix, Inc. | 331 |
49 |
| Sato Holdings Kabushiki Kaisha | 659 |
39 |
| Eastman Kodak Company | 3444 |
38 |
| Mimaki Engineering Co., Ltd. | 799 |
36 |
| Toshiba Corporation | 12017 |
31 |
| Konica Minolta, Inc. | 8349 |
31 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
26 |
| Other owners | 898 |