- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 3/42 - Two or more complete typewriters coupled for simultaneous operation
Patent holdings for IPC class B41J 3/42
Total number of patents in this class: 22
10-year publication summary
|
0
|
1
|
0
|
1
|
1
|
3
|
3
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 3977 |
3 |
| Premier Print & Services Group, Inc. | 13 |
2 |
| Brother Industries, Ltd. | 12919 |
1 |
| Eastman Kodak Company | 3033 |
1 |
| Beijing Zhongke Nano-Think Print Technology Co., Ltd. | 5 |
1 |
| Canon Finetech Inc. | 61 |
1 |
| Eco Compteur | 26 |
1 |
| Electronics for Imaging, Inc. | 309 |
1 |
| Hauni Maschinenbau AG | 80 |
1 |
| I. Mer Co., Ltd. | 32 |
1 |
| ID Technology LLC | 32 |
1 |
| Masonite Corporation | 699 |
1 |
| Pochet du Courval | 25 |
1 |
| Riso Kagaku Corporation | 657 |
1 |
| Screen Holdings Co., Ltd. | 2648 |
1 |
| Toppan Printing Co., Ltd. | 2158 |
1 |
| Toyo Seikan Kaisha, Ltd. | 388 |
1 |
| Brother Kogyo Kabushikikaisha | 1729 |
1 |
| New Receiptco OpCo LLC | 32 |
1 |
| Other owners | 0 |