- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 7/04 - Arrangements for refilling the reservoirs, e.g. arrangements at the ball-point ends
Patent holdings for IPC class B43K 7/04
Total number of patents in this class: 6
10-year publication summary
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0
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0
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0
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1
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1
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0
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1
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2
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1
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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
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 807 |
1 |
| Pebeo | 27 |
1 |
| Genima Innovations Marketing GmbH | 34 |
1 |
| Linker Industrial (Shenzhen) Co., Ltd. | 5 |
1 |
| Ningbo Institute of Northwestern Polytechnical University | 6 |
1 |
| Zumedia Inc. | 331 |
1 |
| Other owners | 0 |