Assignee
HSUAN-CHIN TSAI
TW·8 granted patents·3 pending applications·213 citations·filing 2010–2014
Top patents by PatentIndex Score
11 records- 0195US8272691B2Resilient lower-back supporting device capable of vertical adjustment along with backrest of chairHSUAN-CHIN TSAI·Filed 2010·Granted Sep 25, 2012·52 cites·4 claims
- 0293US8764110B2Resilient leaning position-restoring device for height-adjustable chair back of office chairHSUAN-CHIN TSAI·Filed 2011·Granted Jul 1, 2014·36 cites·2 claims
- 0390USD708882SChair back frameHSUAN-CHIN TSAI·Filed 2013·Granted Jul 15, 2014·47 cites·1 claims
- 0484USD687660SChair back frameHSUAN-CHIN TSAI·Filed 2012·Granted Aug 13, 2013·33 cites·1 claims
- 0576USD687642SChairHSUAN-CHIN TSAI·Filed 2012·Granted Aug 13, 2013·22 cites·1 claims
- 0667USD708884SChair back frameHSUAN-CHIN TSAI·Filed 2014·Granted Jul 15, 2014·14 cites·1 claims
- 0761US8328285B2Adjustment structure for chair armrestHSUAN-CHIN TSAI·Filed 2011·Granted Dec 11, 2012·3 cites·5 claims
- 0847USD668481SChair back frameHSUAN-CHIN TSAI·Filed 2011·Granted Oct 9, 2012·6 cites·1 claims
- 0945US2013043709A1Ergonomic Headrest for Office ChairHSUAN-CHIN TSAI·Filed 2011·Application pending·0 cites
- 1045US2013181498A1Chair Leg Rest AssemblyHSUAN-CHIN TSAI·Filed 2012·Application pending·0 cites
- 1143US2011254340A1Reversing Assembly for Office Chair ArmrestHSUAN-CHIN TSAI·Filed 2010·Application pending·0 cites
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