- 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 29/393 - Devices for controlling or analysing the entire machine
Patent holdings for IPC class B41J 29/393
Total number of patents in this class: 2259
10-year publication summary
|
250
|
194
|
166
|
190
|
160
|
174
|
173
|
146
|
138
|
68
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 27690 |
425 |
| Seiko Epson Corporation | 18672 |
301 |
| Brother Industries, Ltd. | 12859 |
231 |
| Canon Inc. | 37077 |
218 |
| Ricoh Company, Ltd. | 13075 |
92 |
| Xerox Corporation | 7150 |
82 |
| FUJIFILM Corporation | 27478 |
51 |
| Eastman Kodak Company | 3220 |
41 |
| Kateeva, Inc. | 377 |
31 |
| Screen Holdings Co., Ltd. | 2539 |
31 |
| Konica Minolta, Inc. | 8391 |
28 |
| Riso Kagaku Corporation | 658 |
27 |
| Toshiba TEC Corporation | 3622 |
23 |
| Kyocera Document Solutions Inc. | 5117 |
19 |
| Oce-Technologies B.V. | 471 |
18 |
| Electronics for Imaging, Inc. | 320 |
17 |
| Zebra Technologies Corporation | 1828 |
17 |
| Heidelberger Druckmaschinen AG | 470 |
15 |
| Tokyo Electron Limited | 11848 |
13 |
| Hand held Products, Inc. | 1258 |
13 |
| Other owners | 566 |