- 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: 4122
10-year publication summary
|
270
|
264
|
304
|
275
|
202
|
178
|
183
|
120
|
85
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18984 |
655 |
| Brother Industries, Ltd. | 12905 |
525 |
| Hewlett-Packard Development Company, L.P. | 27473 |
448 |
| Canon Inc. | 38114 |
369 |
| Ricoh Company, Ltd. | 13209 |
181 |
| Canon Kabushiki Kaisha | 6943 |
159 |
| Kyocera Document Solutions Inc. | 5353 |
147 |
| Brother Kogyo Kabushikikaisha | 1728 |
143 |
| Xerox Corporation | 7075 |
89 |
| FUJIFILM Corporation | 28555 |
88 |
| Riso Kagaku Corporation | 658 |
82 |
| Memjet Technology Ltd. | 698 |
56 |
| Toshiba TEC Corporation | 3692 |
50 |
| FUJIFILM Dimatix, Inc. | 303 |
44 |
| Sato Holdings Kabushiki Kaisha | 689 |
40 |
| Mimaki Engineering Co., Ltd. | 816 |
36 |
| Riso Technologies Corporation | 252 |
34 |
| Eastman Kodak Company | 3036 |
32 |
| Konica Minolta, Inc. | 8530 |
32 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1402 |
27 |
| Other owners | 885 |