Assignee
CHANG CHIH-CHEN
TW·3 granted patents·4 pending applications·15 citations·filing 1998–2011
Top patents by PatentIndex Score
7 records- 0186US8603402B2Microwave-excited plasma deviceCHANG CHIH-CHEN·Filed 2011·Granted Dec 10, 2013·12 cites·2 claims
- 0249US2009071957A1Safety BoxCHANG CHIH-CHEN·Filed 2007·Application pending·0 cites
- 0345US2003107890A1Lamp string holding frameCHANG CHIH-CHEN·Filed 2001·Application pending·0 cites
- 0438USD437949SDecoration lampCHANG CHIH-CHEN·Filed 1998·Granted Feb 20, 2001·3 cites·1 claims
- 0537US8776720B2Linear-type microwave-excited plasma source using a slotted rectangular waveguide as the plasma exciterCHANG CHIH-CHEN·Filed 2010·Granted Jul 15, 2014·0 cites·8 claims
- 0634US2012001550A1Magnetic modue of electron cyclotron resonance and electron cyclotron resonance apparatus using the sameCHANG CHIH-CHEN·Filed 2010·Application pending·0 cites
- 0732US2010060421A1Rfid tag with a semi-enclosed couplerCHANG CHIH-CHEN·Filed 2008·Application pending·0 cites
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