- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 33/54 - Ribbon-feed devices or mechanisms for ensuring maximum life of the ribbon
Patent holdings for IPC class B41J 33/54
Total number of patents in this class: 17
10-year publication summary
|
3
|
1
|
1
|
1
|
0
|
1
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Videojet Technologies Inc. | 363 |
3 |
| Brother Industries, Ltd. | 12830 |
2 |
| Toshiba TEC Corporation | 3906 |
2 |
| Mitsubishi Electric Corporation | 48172 |
1 |
| citizen Holdings Co., Ltd. | 262 |
1 |
| citizen Systems Japan Co., Ltd. | 84 |
1 |
| citizen Watch Co., Ltd. | 1090 |
1 |
| Nisca Corporation | 141 |
1 |
| Toppan Printing Co., Ltd. | 2082 |
1 |
| Zebra Technologies Corporation | 2395 |
1 |
| Canon Finetech Nisca Inc. | 272 |
1 |
| Entrust Corporation | 289 |
1 |
| Toppan Inc. | 762 |
1 |
| Other owners | 0 |