- 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: 2292
10-year publication summary
|
194
|
166
|
190
|
160
|
175
|
174
|
147
|
149
|
100
|
46
|
| 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. | 25910 |
416 |
| Seiko Epson Corporation | 19316 |
309 |
| Brother Industries, Ltd. | 12966 |
234 |
| Canon Inc. | 39660 |
229 |
| Ricoh Company, Ltd. | 13198 |
96 |
| Xerox Corporation | 7021 |
79 |
| FUJIFILM Corporation | 29295 |
52 |
| Eastman Kodak Company | 2908 |
41 |
| Screen Holdings Co., Ltd. | 2798 |
34 |
| Kateeva, Inc. | 393 |
33 |
| Konica Minolta, Inc. | 8701 |
28 |
| Riso Kagaku Corporation | 657 |
27 |
| Toshiba TEC Corporation | 3783 |
24 |
| Kyocera Document Solutions Inc. | 5544 |
23 |
| Zebra Technologies Corporation | 2177 |
20 |
| Electronics for Imaging, Inc. | 316 |
19 |
| Oce-Technologies B.V. | 461 |
18 |
| Heidelberger Druckmaschinen AG | 467 |
15 |
| Hand held Products, Inc. | 1260 |
14 |
| Tokyo Electron Limited | 12620 |
13 |
| Other owners | 568 |