- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 33/24 - Ribbon-feed devices or mechanisms with drive applied directly to ribbon
Patent holdings for IPC class B41J 33/24
Total number of patents in this class: 4
10-year publication summary
|
0
|
1
|
1
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| citizen Systems Japan Co., Ltd. | 83 |
1 |
| citizen Watch Co., Ltd. | 1088 |
1 |
| Hand held Products, Inc. | 1289 |
1 |
| Entrust Corporation | 289 |
1 |
| Other owners | 0 |