- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/245 - Print head assemblies line printer type
Patent holdings for IPC class B41J 2/245
Total number of patents in this class: 11
10-year publication summary
|
1
|
2
|
4
|
2
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43817 |
4 |
| Seiko Epson Corporation | 20256 |
3 |
| Hewlett-Packard Development Company, L.P. | 25184 |
1 |
| Ricoh Company, Ltd. | 13342 |
1 |
| Riso Kagaku Corporation | 642 |
1 |
| Shenzhen Runtianzhi Digital Equipment Co., Ltd. | 6 |
1 |
| Other owners | 0 |