Assignee
UNICORN IMAGE PRODUCTS CO LTD
CN·3 granted patents·1 pending application·51 citations·filing 2002–2005
Technology mixB41J4
Top patents by PatentIndex Score
4 records- 0185US6929357B2Ink cartridge having bellows valve, ink filling method and apparatus used thereofUNICORN IMAGE PRODUCTS CO LTD·Filed 2003·Granted Aug 16, 2005·32 cites·31 claims
- 0276US6935730B2One-way valve, valve unit assembly, and ink cartridge using the sameUNICORN IMAGE PRODUCTS CO LTD·Filed 2002·Granted Aug 30, 2005·17 cites·9 claims
- 0363US7475972B2One-way valve, valve unit assembly, and ink cartridge using the sameUNICORN IMAGE PRODUCTS CO LTD·Filed 2005·Granted Jan 13, 2009·2 cites·16 claims
- 0434US2005243147A1Ink cartridge having bellows valve, ink filling method and apparatus used thereofUNICORN IMAGE PRODUCTS CO LTD·Filed 2005·Application pending·0 cites
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