- 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 3/01 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
Patent holdings for IPC class B41J 3/01
Total number of patents in this class: 103
10-year publication summary
|
13
|
6
|
5
|
10
|
8
|
14
|
16
|
7
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12896 |
9 |
| Seiko Epson Corporation | 18975 |
7 |
| Sato Holdings Kabushiki Kaisha | 689 |
7 |
| Illinois Tool Works Inc. | 11369 |
5 |
| Hand held Products, Inc. | 1269 |
5 |
| Ricoh Company, Ltd. | 13205 |
3 |
| Toshiba TEC Corporation | 3693 |
3 |
| Deluxe Corporation | 16 |
3 |
| Riso Kagaku Corporation | 658 |
3 |
| Hydragraphix LLC | 35 |
3 |
| Canon Inc. | 38071 |
2 |
| Hewlett-Packard Development Company, L.P. | 27476 |
2 |
| Brady Worldwide, Inc. | 422 |
2 |
| Capital One Services, LLC. | 8505 |
2 |
| Hill-Rom Services, Inc. | 1121 |
2 |
| Oxford University Innovation Limited | 1492 |
2 |
| Swiss Krono Tec AG | 483 |
2 |
| Brother Kogyo Kabushikikaisha | 1729 |
2 |
| LG Electronics Inc. | 70898 |
1 |
| Alibaba Group Holding Limited | 6969 |
1 |
| Other owners | 37 |