- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 32/02 - Ink-ribbon cartridges for endless ribbons
Patent holdings for IPC class B41J 32/02
Total number of patents in this class: 28
10-year publication summary
|
2
|
2
|
2
|
2
|
4
|
1
|
3
|
1
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12960 |
7 |
| Seiko Epson Corporation | 19269 |
6 |
| Printronix, LLC | 32 |
5 |
| Oki Electric Industry Co., Ltd. | 1595 |
3 |
| Armor | 61 |
2 |
| Toshiba TEC Corporation | 3780 |
1 |
| Postek Electronics Co., Ltd | 18 |
1 |
| Prinics Co., Ltd. | 20 |
1 |
| Printronix, Inc. | 5 |
1 |
| Sato Holdings Kabushiki Kaisha | 703 |
1 |
| Other owners | 0 |