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Head capping member, head maintenance or recovery device, device for ejecting a liquid drop, and image forming apparatus Grant 7,690,757 - Kusunoki , et al. April 6, 2 | 2010-04-06 |
Image forming apparatus having improved capability for maintaining ink delivery Grant 7,621,608 - Kusunoki , et al. November 24, 2 | 2009-11-24 |
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