- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection 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: 116
10-year publication summary
|
6
|
5
|
10
|
8
|
14
|
16
|
7
|
7
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12830 |
9 |
| Seiko Epson Corporation | 20337 |
8 |
| Illinois Tool Works Inc. | 11862 |
5 |
| Hand held Products, Inc. | 1289 |
5 |
| Toshiba TEC Corporation | 3906 |
4 |
| Sato Corporation | 327 |
4 |
| Canon Inc. | 44051 |
3 |
| Hewlett-Packard Development Company, L.P. | 25170 |
3 |
| Ricoh Company, Ltd. | 13333 |
3 |
| Capital One Services, LLC. | 10058 |
3 |
| Deluxe Corporation | 16 |
3 |
| Riso Kagaku Corporation | 644 |
3 |
| Sato Holdings Kabushiki Kaisha | 379 |
3 |
| Hydragraphix LLC | 36 |
3 |
| Brady Worldwide, Inc. | 776 |
2 |
| Hill-Rom Services, Inc. | 1172 |
2 |
| Oxford University Innovation Limited | 1669 |
2 |
| Swiss Krono Tec AG | 513 |
2 |
| Brother Kogyo Kabushikikaisha | 1805 |
2 |
| LG Electronics Inc. | 75855 |
1 |
| Other owners | 46 |