- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection 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: 2330
10-year publication summary
|
193
|
166
|
190
|
160
|
174
|
174
|
149
|
151
|
102
|
95
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25753 |
415 |
| Seiko Epson Corporation | 19671 |
327 |
| Canon Inc. | 40623 |
235 |
| Brother Industries, Ltd. | 12949 |
233 |
| Ricoh Company, Ltd. | 13391 |
99 |
| Xerox Corporation | 6982 |
82 |
| FUJIFILM Corporation | 29713 |
53 |
| Eastman Kodak Company | 2833 |
42 |
| Screen Holdings Co., Ltd. | 2897 |
34 |
| Kateeva, Inc. | 393 |
33 |
| Konica Minolta, Inc. | 8818 |
29 |
| Riso Kagaku Corporation | 653 |
27 |
| Kyocera Document Solutions Inc. | 5740 |
26 |
| Toshiba TEC Corporation | 3823 |
25 |
| Zebra Technologies Corporation | 2253 |
20 |
| Electronics for Imaging, Inc. | 318 |
19 |
| Oce-Technologies B.V. | 457 |
17 |
| Heidelberger Druckmaschinen AG | 474 |
15 |
| Hand held Products, Inc. | 1270 |
14 |
| Mimaki Engineering Co., Ltd. | 863 |
14 |
| Other owners | 571 |