- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
Patent holdings for IPC class B41J 3/54
Total number of patents in this class: 416
10-year publication summary
|
19
|
36
|
58
|
36
|
52
|
34
|
26
|
34
|
20
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12945 |
28 |
| Seiko Epson Corporation | 19458 |
24 |
| Koenig & Bauer AG | 979 |
21 |
| Hewlett-Packard Development Company, L.P. | 25841 |
14 |
| Ricoh Company, Ltd. | 13279 |
14 |
| Memjet Technology Ltd. | 636 |
11 |
| Xerox Corporation | 6998 |
10 |
| Eastman Kodak Company | 2864 |
9 |
| Projecta Engineering S.r.l. | 25 |
9 |
| Canon Inc. | 40216 |
8 |
| GPCP IP Holdings LLC | 1637 |
7 |
| Ceraloc Innovation AB | 172 |
6 |
| Electronics for Imaging, Inc. | 319 |
6 |
| Kateeva, Inc. | 394 |
6 |
| The Procter & Gamble Company | 22031 |
5 |
| KHS GmbH | 1426 |
5 |
| M & R Printing Equipment, Inc. | 79 |
5 |
| manroland AG | 109 |
5 |
| Riso Kagaku Corporation | 655 |
5 |
| FUJIFILM Corporation | 29489 |
4 |
| Other owners | 214 |