- 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 3/60 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
Patent holdings for IPC class B41J 3/60
Total number of patents in this class: 559
10-year publication summary
|
61
|
36
|
40
|
66
|
48
|
42
|
38
|
36
|
20
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
77 |
| Brother Industries, Ltd. | 13000 |
61 |
| Hewlett-Packard Development Company, L.P. | 28538 |
52 |
| Canon Inc. | 36841 |
43 |
| Iconex, LLC | 179 |
20 |
| Kodak ALARIS Inc. | 401 |
18 |
| Koenig & Bauer AG | 958 |
17 |
| Kyocera Document Solutions Inc. | 5295 |
13 |
| Riso Kagaku Corporation | 666 |
13 |
| Landa Corporation Ltd. | 223 |
11 |
| Eastman Kodak Company | 3444 |
10 |
| Dai Nippon Printing Co., Ltd. | 3891 |
10 |
| Océ Holding B.V. | 108 |
10 |
| Ricoh Company, Ltd. | 13266 |
8 |
| Konica Minolta, Inc. | 8349 |
7 |
| citizen Watch Co., Ltd. | 1062 |
7 |
| Screen Holdings Co., Ltd. | 2431 |
7 |
| citizen Systems Japan Co., Ltd. | 70 |
6 |
| Komori Corporation | 164 |
6 |
| Oce-Technologies B.V. | 475 |
6 |
| Other owners | 157 |