- 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: 4479
10-year publication summary
|
423
|
404
|
270
|
265
|
303
|
275
|
201
|
167
|
130
|
23
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19240 |
744 |
| Brother Industries, Ltd. | 13284 |
548 |
| Hewlett-Packard Development Company, L.P. | 29751 |
511 |
| Canon Inc. | 36856 |
426 |
| Ricoh Company, Ltd. | 14053 |
193 |
| Canon Kabushiki Kaisha | 6683 |
150 |
| Kyocera Document Solutions Inc. | 5761 |
147 |
| Xerox Corporation | 6811 |
104 |
| FUJIFILM Corporation | 25841 |
98 |
| Brother Kogyo Kabushikikaisha | 1657 |
98 |
| Toshiba TEC Corporation | 3902 |
87 |
| Riso Kagaku Corporation | 704 |
83 |
| Memjet Technology Ltd. | 868 |
78 |
| FUJIFILM Dimatix, Inc. | 332 |
52 |
| Eastman Kodak Company | 4117 |
43 |
| Mimaki Engineering Co., Ltd. | 803 |
35 |
| Sato Holdings Kabushiki Kaisha | 609 |
35 |
| Toshiba Corporation | 12033 |
32 |
| Konica Minolta, Inc. | 8205 |
31 |
| Lexmark International, Inc. | 1966 |
29 |
| Other owners | 955 |