- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 29/28 - Writing or like instruments in holders or guides
Patent holdings for IPC class B41J 29/28
Total number of patents in this class: 6
10-year publication summary
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1
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1
|
1
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0
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0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25184 |
2 |
| Canon Inc. | 43817 |
1 |
| Seiko Epson Corporation | 20256 |
1 |
| FUJIFILM Corporation | 30514 |
1 |
| Ricoh Company, Ltd. | 13342 |
1 |
| Other owners | 0 |