- 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: 2391
10-year publication summary
|
166
|
190
|
160
|
175
|
174
|
149
|
155
|
109
|
121
|
67
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25216 |
411 |
| Seiko Epson Corporation | 20248 |
337 |
| Canon Inc. | 43768 |
258 |
| Brother Industries, Ltd. | 12842 |
237 |
| Ricoh Company, Ltd. | 13346 |
99 |
| Xerox Corporation | 4394 |
63 |
| FUJIFILM Corporation | 30512 |
55 |
| Eastman Kodak Company | 2607 |
42 |
| Screen Holdings Co., Ltd. | 3148 |
34 |
| Kateeva, Inc. | 394 |
33 |
| Konica Minolta, Inc. | 9116 |
31 |
| Kyocera Document Solutions Inc. | 6242 |
30 |
| Toshiba TEC Corporation | 3902 |
27 |
| Riso Kagaku Corporation | 641 |
25 |
| Zebra Technologies Corporation | 2378 |
20 |
| Genesee Valley Innovations, LLC | 2187 |
20 |
| Electronics for Imaging, Inc. | 327 |
19 |
| Oce-Technologies B.V. | 442 |
17 |
| Hand held Products, Inc. | 1289 |
14 |
| Heidelberger Druckmaschinen AG | 499 |
14 |
| Other owners | 605 |