- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 33/22 - Ribbon-feed devices or mechanisms with drive applied to spool or spool spindle by gears or pulleys
Patent holdings for IPC class B41J 33/22
Total number of patents in this class: 34
10-year publication summary
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2
|
3
|
1
|
3
|
1
|
2
|
3
|
4
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2
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12859 |
6 |
| Seiko Epson Corporation | 20575 |
4 |
| Zebra Technologies Corporation | 2416 |
4 |
| Printronix, LLC | 31 |
3 |
| Seiko Precision Inc. | 93 |
3 |
| DS Global | 41 |
2 |
| Hand held Products, Inc. | 1282 |
2 |
| Dai Nippon Printing Co., Ltd. | 4298 |
1 |
| Argox Information Co., Ltd. | 5 |
1 |
| Brady Worldwide, Inc. | 793 |
1 |
| citizen Systems Japan Co., Ltd. | 84 |
1 |
| citizen Watch Co., Ltd. | 1087 |
1 |
| Entrust DataCard Corporation | 82 |
1 |
| Godex International Co., Ltd. | 11 |
1 |
| Max Co., Ltd. | 871 |
1 |
| Postek Electronics Co., Ltd | 15 |
1 |
| Seiko Solutions Inc. | 29 |
1 |
| Other owners | 0 |