- 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: 2304
10-year publication summary
|
250
|
194
|
166
|
190
|
160
|
174
|
173
|
139
|
135
|
32
|
| 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. | 28538 |
443 |
| Seiko Epson Corporation | 18724 |
303 |
| Brother Industries, Ltd. | 13000 |
235 |
| Canon Inc. | 36841 |
224 |
| Xerox Corporation | 7503 |
92 |
| Ricoh Company, Ltd. | 13266 |
91 |
| FUJIFILM Corporation | 27102 |
52 |
| Eastman Kodak Company | 3444 |
45 |
| Toshiba TEC Corporation | 3877 |
33 |
| Screen Holdings Co., Ltd. | 2431 |
31 |
| Kateeva, Inc. | 376 |
29 |
| Konica Minolta, Inc. | 8349 |
27 |
| Riso Kagaku Corporation | 666 |
27 |
| Kyocera Document Solutions Inc. | 5295 |
20 |
| Oce-Technologies B.V. | 475 |
19 |
| Electronics for Imaging, Inc. | 320 |
17 |
| Zebra Technologies Corporation | 1689 |
17 |
| Heidelberger Druckmaschinen AG | 473 |
15 |
| Tokyo Electron Limited | 11599 |
13 |
| Mimaki Engineering Co., Ltd. | 799 |
13 |
| Other owners | 558 |