Assignee

TSAI YI-CHEN

TW·2 granted patents·0 citations·filing 2009–2010

Technology mixA01G1 E02B1 E03F1 Y02P1

Top patents by PatentIndex Score

2 records

0145US8182174B2Drainage system for directing surface water to underground strataTSAI YI-CHEN·Filed 2009·Granted May 22, 2012·0 cites·15 claims
0243US8296997B2Upright planting apparatusTSAI YI-CHEN·Filed 2010·Granted Oct 30, 2012·0 cites·10 claims

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